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At least 343 records · Page 19Linked to original sources
PubMed2003

Morphological and regional variations in body dimensions of the Gujjars of different localities in north-western India.

Physical features and somatometric characters of the wide spread Gujjar population in North-Western India are fascinating. It is all the more interesting to study their morphological and regional variations in the body dimensions. In this paper, anthropometric characters of 200 adult subjects each belonging to Hindu Gujjars in the Ropar District of Punjab and Muslim Gujjars in the Chamba District of Himachal Pradesh in the North-Western part of India were compared. They differ significantly from each other for many physiognomic measurements, suggesting the biological diversity between the two population groups. Further, the comparison of anthropometric measurements between the different localities of the Gujjars showed morphological variations and regional diversity of the isolates in North-Western India. These findings may be attributed to the founder effect, genetic drift, and breeding and geographical isolation of the populations under study and not to secular trends. The findings have also been compared and discussed with the available results of other local populations in North-Western India.

Adult↗
PubMed1992

HIV-1 and HIV-2 infections in a high-risk population in Bombay, India: evidence for the spread of HIV-2 and presence of a divergent HIV-1 subtype.

A high-risk population (patients of a sexually transmitted disease clinic and the GT hospital in Bombay) was tested for antibodies against HIV-1 and HIV-2. Among 405 serum samples, 226 had previously been classified HIV-positive in India using different locally available enzyme-linked immunosorbent assay (ELISA) tests. The serology of 179 samples was unknown. All 405 samples were tested at the Georg-Speyer-Haus (GSH) with the Pasteur HIV-1/2-Combi-ELISA. Positive samples were further analyzed with HIV-1 and HIV-2 Western blot kits from Dupont and Pasteur, respectively. A very high seroprevalence of HIV was found in this population. Among the 179 unscreened samples, 69 (38.5%) were positive in the ELISAs as well as the Western blots for HIV-1 or HIV-2. Among the prescreened samples, only 174 (77%) were confirmed HIV-positive. Altogether, 243 of 405 sera were HIV-positive. Of these, 184 (76%) were reactive with HIV-1, 10 (4%) were reactive with HIV-2, and 49 (20%) had dual reactivity to HIV-1 and HIV-2. Previous data from the Indian Council of Medical Research had already suggested a possible high prevalence of HIV-1 in India. Our results confirm this view. The finding of a substantial spread of HIV-2 infection was, however, totally unexpected in India, but confirms our previous study which had already demonstrated the existence of HIV-2 in this country. Asia can thus no longer be considered free of HIV-2, and testing for HIV-2 appears mandatory, at least in India.(ABSTRACT TRUNCATED AT 250 WORDS)

Acquired Immunodeficiency Syndrome↗
PubMed2003

History of tuberculosis control in India.

TheTB problem in India was first recognised through a resolution passed in the All India Sanitary Conference, held at Madras in 1912. The TB picture started becoming clear with the introduction of tuberculin testing. The Bhore committee report issued in 1946 estimated that about 2.5 million patients required treatment in the country with only 6,000 beds available. The first open air institution for isolation and treatment of TB patients was started in 1906 in Tilaunia near Ajmer and Almora in the Himalayas in 1908. The anti-TB movement in the country gained momentum with the TB Association of India was established in 1939. WHO and UNICEF took keen interest in providing assistance for introducing mass BCG vaccination with low cost in 1951. In the 1940s streptomycin and PAS were introduced in the west followed by thiocetazone and INH is 1950s. National Tuberculosis Control Programme (NTP) was formulated in 1962 which was implemented in phased manner. The deficiency in NTP was identified in 1963 and Revised National TB Control Programme (RNTCP) was developed. There is a commitment for Government of India to expand RNTCP to cover the entire country by 2005.

History, 20th Century↗
PubMed2003

Detection of MEF-1 laboratory reference strain of poliovirus type 2 in children with poliomyelitis in India in 2002 & 2003.

BACKGROUND & OBJECTIVES: Significant progress has been made towards eradication of poliomyelitis in India. Surveillance for acute flaccid paralysis (AFP) has reached high standards. Among the 3 types of polioviruses, type 2 had been eliminated in India and eradicated globally as of October 1999. However, we isolated wild poliovirus type 2 from a small number of polio cases in northern India in 2000 and again during December 2002 to February 2003. Using molecular tools the origin, of the wild type 2 poliovirus was investigated. METHODS: Polioviruses isolated from stool samples collected from patients with AFP were differentiated as wild virus or Sabin vaccine-like by ELISA and probe hybridization assays. Complete VP1 gene nucleotide sequences of the wild type 2 poliovirus isolates were determined by reverse transcriptase polymerase chain reaction (RT-PCR), followed by cycle sequencing. VP1 nucleotide sequences were compared with those of wild type 2 polioviruses that were indigenous in India in the past as well as prototype/laboratory strains and the GenBank database. RESULTS: Wild poliovirus type 2 was detected in stool samples from 6 patients with AFP in western Uttar Pradesh and 1 in Gujarat. In addition, the virus was isolated from one healthy contact child and from environmental sewage sample in Moradabad where three of these patients were reported. These isolates were identified as genetically closely related to laboratory reference strain MEF-1. Molecular characterization of the isolates confirmed that there was no evidence of extensive person-to-person transmission of the virus in the community. INTERPRETATION & CONCLUSION: Laboratory reference strain (MEF-1) of poliovirus type 2 caused paralytic poliomyelitis in 10 patients in September 2000 and November 2002 to February 2003. The origin of the virus was some laboratory as yet not identified. This episode highlights the urgent need for stringent containment of wild poliovirus containing materials in the laboratories across the country in order to prevent recurrence of such incidents.

Capsid Proteins↗
PubMedDate not supplied

Hepatitis B immunization: cost calculation in a community-based study in India.

BACKGROUND AND AIM: In India, approximately 65% of mothers deliver at home, and a community-based study evaluating the cost of vaccinating newborns with the first dose of hepatitis B vaccine within 48 hours has not been undertaken previously. This policy planning study was done to evaluate the costs of such immunization in India. METHODS: All mothers delivering in the study area (population 65,000) over a 1-year period were tested for hepatitis B surface antigen (HBsAg; ELISA), and babies of positive mothers were vaccinated starting at birth. The cost of such selective vaccination was calculated. The cost of nursing time required for universal immunization was calculated from the data on nursing time required for vaccination in the selective vaccination program. The national cost of universal immunization without testing was calculated as well as cost-benefit and cost-utility in terms of cost per quality-adjusted life-year (QALY) saved. Sensitivity testing considering economies of scale was also factored in. RESULTS: 1100 mothers delivered during the study period. 252 were primiparous. Nationwide universal vaccination would cost Rs 48,000 per QALY saved, which was double the per capita GNP of the country; discounted at 3% the cost was Rs 260,000. CONCLUSIONS: Universal immunization vaccination with hepatitis B vaccine is not cost-beneficial in India, since cost of every life-year gained with it will exceed India's per capita GNP.

Cost-Benefit Analysis↗
PubMedDate not supplied

Human resources and infrastructure for eye care in India: current status.

BACKGROUND: An ophthalmic workforce and infrastructure planning survey was undertaken to provide a valid evidence base for human resource and infrastructure requirements for elimination of avoidable blindness. This is the first time that such an extensive survey has been done in India. METHODS: Pre-tested questionnaires were administered to all district-level blindness officials and ophthalmology training institutions during April 2002-March 2003. Supplementary data sources were used wherever necessary. Data analysis was done in Stata 8.0. Projections of the existing ophthalmologists and dedicated eye beds were made for the entire country using the mean, median and range for each individual state. RESULTS: The response rate was 89.3%. More than half the eye care facilities were located in the private sector. Sixty-nine per cent of the ophthalmologists were employed in the private and non-governmental sectors; 71.5% of all dedicated eye beds were managed by these two sectors. Five states (Maharashtra, Uttar Pradesh, Karnataka, Andhra Pradesh and Tamil Nadu) had half the practising ophthalmologists in India. There was a wide disparity in access to ophthalmologists and dedicated eye beds across the country. Using the median to obtain medium projections, it is estimated that there are 9478 practising ophthalmologists and 59 828 dedicated eye beds in India. CONCLUSIONS: India will be able to meet the requirements for trained ophthalmologists and dedicated eye beds to achieve the goals of Vision 2020. Some states will need special attention. Instead of an across-the-board increase in ophthalmologists and eye beds, regions which are deficient will need to be prioritized and concerted action initiated to achieve an equitable distribution of the available resources.

Catchment Area, Health↗
PubMed2003

Characterisation of fowl adenoviruses from chickens affected with infectious hydropericardium during 1994-1998 in India.

In the present study characterisation has been done for six group I fowl adenoviruses (FAV) isolated from outbreaks of infectious hydropericardium (IHP) of chickens that occurred in different states/regions of India during the years 1994-98. These six viruses were identified as FAV serotype 4 by virus neutralisation and restriction endonuclease analyses. Antigenic analyses of the viruses revealed close relationship (R-values 0.93-0.96). Under the experimental conditions, we have been able to induce IHP using FAV serotype 4 isolate AD: 411 and were also able detect FAV antigens in myocardial tissues by immunofluorescence assay (a new observation), an indication that IHP causing FAV serotype 4 strain replicate in myocardial tissue. Restriction endonuclease analysis of the viral genomes (approximately 46 Kb), using Hind III, Sma I, Xba I, Bam HI, Pst I and Dra I produced identical genetic profiles. Pst I and Bam HI profiles for these six vitus isolates were identical to those published earlier for an IHP causing Pakistani FAV serotype 4 isolate KR31. The identical genetic profiles of viruses, chronology of the outbreaks of IHP in Pakistan during 1989 onward and later in Jammu and Kashmir, India (1994), suggest that FAV serotype 4 isolates involved in outbreaks of IHP in India had probably spread from Pakistan. In order to prevent further spread and economic losses due to IHP in India, based on the antigenic relatedness data in this paper, any one of the six studied FAV serotype 4 isolates can be used as a candidate for mass production of CEH culture based killed vaccine.

Adenoviridae Infections↗
PubMed2004

Molecular profiling of silkworm biodiversity in India.

Molecular tools opened a new vista to understand nature's bio-diversity and its relevance and the same approach was availed of to build-up the foundation work on the bio-diversity of silkworm spp in India. It is well established that the heritage of usage of silk for dress materials in India, Russia and China dates back to premedieval period and in spite of industrial development resulting to de-forestation, India still can claim as the owner of wide bio-diversity, espicially in northern India for silkworm spp. The molecular diversity was assessed among Antheraea mylitta, A. assama, A. pernyi, A. provlei, A. roylei and Philcosomia cynthia wiht 11 ISSR and 8 non-random primers on agarose gel. Nei's statistics as also Euclidean distance matrix was applied to find the genetic diversity between the six species, wherein the closest relationship between A. pernyi and A. proylei is established. With the help of POPGEN statistics, the average genetic heterozygosity appeared as 0.271 while Shanon's index is 0.4312 and alleles with segregation ratios of 3:1, 2:1, 1:1, 9:1 (generated with ISSR primers) were identified which can be utilized for future molecular breeding porgram. Further, and attempt was made to isolate a number of bands generated with 3 ISSR and six non-random primers, specific for different species and 22 such markers have been characterized through sequencing which will be made available through international public domain database.

Animals↗
PubMed2005

Anthropometric characteristics and nutritional status based on body mass index of adult Bathudis: a tribal population of Keonjhar District, Orissa, India.

A cross-sectional study was undertaken to determine anthropometric profile and nutritional status based on body mass index (BMI) of adult Bathudis, a tribal population of Orissa, India. A total of 409 adult (aged >18 years) Bathudis of three villages of Anandapur, Keonjhar District, Orissa, India, were studied. Anthropometric measurements including height, weight, circumferences and skinfolds as well as BMI and waist-hip ratio (WHR) were measured. Overall, the extent of undernutrition (BMI < 18.5) was found to be very high (57.9%). Moreover, there was a significant (chi(2)= 8.09674, P = 0.01745) difference in the prevalence of undernutrition between men (52.7%) and women (64.5%). In conclusion, this study demonstrated that the prevalence of adult undernutrition was found to be very high among the Bathudis, a tribal population of Keonjhar District, Orissa. These rates were much higher than those found in several tribal populations from other parts of India. Therefore, immediate nutritional intervention programs are needed for implementation among Bathudis. Moreover, further research is needed not only among this ethnic group but also other tribal populations of India to fully understand the causes and consequences of adult undernutrition.

Adult↗
PubMed2004

The utilization of eye care services by persons with glaucoma in rural south India.

PURPOSE: To determine utilization of eye care services, in particular those relating to glaucoma, in a rural population of southern India aged 40 years or older. METHODS: A total of 5,150 subjects aged 40 years or older selected through a random cluster sampling technique from three districts in southern India underwent detailed ocular examinations for vision impairment, blindness, and ocular morbidity. Information regarding previous use of eye care services was collected from this population through a questionnaire administered by trained social workers prior to ocular examinations. RESULTS: One thousand eight hundred and twenty-seven persons (35.5%) gave a history of prior eye examinations, primarily from a general hospital (n = 1,073, 58.7%). Increasing age and education were associated with increased utilization of eye care services. Among the 3,323 persons who had never sought eye care, 912 (27.4%) had felt the need to have an eye examination but did not do so. Only one third of persons with vision impairment, cataracts, refractive errors, and glaucoma had previously utilized services. Of the 64 subjects diagnosed as having primary open-angle glaucoma, 32 (50%) had previously seen an ophthalmologist, but none had had an eye examination within 1 year before the study. Only six (19%) of the 32 had been diagnosed as having glaucoma (9% of all subjects found to have glaucoma in the survey). Thirteen (20.3%) of the 64 subjects were blind in either eye due to glaucoma, including one person who was bilaterally blind. CONCLUSIONS: A large proportion of persons in a rural population of southern India who require eye care are currently not utilizing existing eye care services. Strategies to improve the uptake of services are required to reduce the burden of blindness due to glaucoma in southern India.

Adult↗
PubMed2005

HIV/AIDS epidemic in India: risk factors, risk behaviour & strategies for prevention & control.

Since the first report of HIV infection in India in 1986, the virus has spread all over the country although there is geographic variation. There are estimated 5.1 million people infected with HIV with an overall estimated adult prevalence below 1 per cent. Surveys carried out in different sub-populations have yielded prevalence estimates, but data on HIV incidence are limited. Both HIV serotypes 1 and 2 exist in India and HIV-1 C is the commonest subtype reported. Sexual transmission of HIV is most predominant. Spread of HIV in intravenous drug use settings is localized mostly in the north eastern region and metropolitan cities and parent to child transmission is on the rise. Dual epidemics of HIV and tuberculosis, increase in the number of infected women, stigma and discrimination are the main concerns in the Indian HIV/AIDS scenario. There is an increasing political will and commitment for HIV prevention and control efforts in India. A multi-disciplinary approach combining targeted interventions like early identification and treatment of STDs, condom promotion, blood safety, drug de-addiction programs and expanding and strengthening VCTCs and long-term strategies like awareness oriented to behavioural change especially among vulnerable populations, young people and women, steps towards improvement of literacy, status of women and overall development, reduction in poverty and development of primary prevention interventions like vaccines and microbicides will have to be considered for effective prevention and control of AIDS in India.

Female↗
PubMedDate not supplied

Cost and efficiency of HIV voluntary counselling and testing centres in Andhra Pradesh, India.

BACKGROUND: [corrected] As part of the effort to control HIV/AIDS, the number of HlV voluntarycounselling and testingcentres (VCTCs) is increasing rapidly in the public health system of the Indian state of Andhra Pradesh, which is estimated to have one of the highest rates of HIV infection in India. However, systematic data on the cost and efficiency of providing VCT services in India are not available to help guide efficient use of resources for these services. METHODS: We used standardized methods to obtain detailed cost and output data for the 2002-03 fiscal year from written records and interviews in 17 VCTCs in the public health system in Andhra Pradesh. We calculated the economic cost per client receiving VCT services, and analysed the variation and determinants of total and unit costs across VCTCs. We used multivariate regression techniques to estimate incremental unit costs. We assessed hurdles towards serving an optimal number of clients by VCTCs. RESULTS: In the 2002-03 fiscal year, 32 413 clients received the complete sequence of services at the 17 VCTCs, including post-HIV test counselling. The number of clients served by each VCTC ranged from 334 to 7802 (median 979). The overall HIV-positive rate in post-test counselled clients was 20.5% (range 5.4%-52.6%). The cost per client for the complete VCT sequence varied 6-fold between VCTCs (range Rs 141.5-829.6 [US 2.92-17.14 dollars], median Rs 363.5 [US 7.51 dollars]). The cost per client was significantly lower at VCTCs with more clients (p < 0.001, R2 = 0.83; power function) due to substantial fixed costs. Personnel made up the largest component of cost (53.7%). The cost per client had a significant direct relation with percent personnel cost for VCTCs (p < 0.001, R2 = 0.58; exponential function). A multiple regression model revealed that the incremental cost of providing complete VCT services to each HIV-positive and -negative client was Rs 123.5 (US 2.54 dollars) and Rs 59.2 (US 1.22 dollars), respectively. Fourteen VCTCs (82.4%) reported that they could serve more clients with the available personnel and infrastructure, and that inadequate demand for their services was the main hurdle towards achieving this. CONCLUSION: These data suggest that the efforts of the National AIDS Control Organisation of India and the Andhra Pradesh State AIDS Control Society in increasing VCTCs could yield even higher benefit if the demand for these services was enhanced, as this would increase the number of clients served and reduce the cost per client. Ongoing systematic cost-efficiency analysis is necessary to help guide efficient use of HIV-control resources in India.

AIDS Serodiagnosis↗
PubMed2005

Emergence of dengue virus type-3 in northern India.

During the last few decades dengue has reemerged in several parts of Southeast Asia, including India. A major outbreak of dengue infection occurred in northern India during October to December 2003. To determine the etiology, we carried out serological, virological and molecular investigations of this outbreak. A total of 76 dengue suspected patient blood samples were collected from Gwalior, Madhya Pradesh and Delhi, India. Serological investigations carried out using an in-house Dipstick ELISA protocol revealed the presence of anti-dengue antibodies in 53 patients. Twelve of them (22%) had a positive IgM response, indicative of primary infection, and 22 of them (42%) revealed only IgG antibodies, indicative of secondary infection. RT-PCR analysis employing dengue group specific amplimer revealed the presence of dengue specific RNA in four acute phase samples. These four RT-PCR positive samples were further processed for virus isolation in C6/36 cells and suckling mice, yielding four dengue virus isolates. The Nested PCR analysis employing serotype specific amplimer revealed the presence of dengue-3 specific 389 bp amplicon. This study confirmed the reemergence of dengue virus type-3 in a dominant form in India after a gap of nine years. Earlier, dengue virus type-2 was implicated as the etiology of a major dengue epidemic in Delhi in 1996 and Gwalior in 2001. The implication of dengue type-3 as etiology of a DHF epidemic in neighboring Sri Lanka and Bangladesh recently confirms the reemergence of dengue type-3 as the dominant form on the Indian subcontinent.

Adolescent↗
PubMed2005

Progress toward poliomyelitis eradication--India, January 2004-May 2005.

Since 1988, the global incidence of polio has decreased by more than 99%, and three World Health Organization (WHO) regions (Americas, Western Pacific, and European) have been certified as polio-free . India, the largest of the six countries where polio remains endemic, experienced a large polio outbreak (1,600 cases) in 2002. Since then, the Government of India (GOI) has accelerated its polio eradication activities by increasing the number and quality of supplementary immunization activities (SIAs), which reduced the number of reported cases to 225 in 2003, 134 in 2004, and 18 in 2005 (as of June 18). During 2004 and early 2005, taking advantage of the geographic restriction of wild poliovirus (WPV) circulation, GOI and its partners launched several immunization and surveillance strategies to maximize the probability of eliminating poliovirus transmission in India. With continued high-quality interventions, interruption of WPV transmission in India by the end of 2005 appears feasible. This report summarizes progress toward polio elimination during January 2004-May 2005 toward that end.

Humans↗
PubMedDate not supplied

Assessing cancer burden in rural India: an analysis by cause of death statistics.

India lacks nationwide cancer registration and systematic death registration. Gaining insight into the magnitude of the cancer problem in India depends mainly on 14 population based cancer registries, which provide relatively accurate statistics although the area and population cover by these registries is minimal at about 7% (20% Urban and 1 % Rural). With estimation of cancer burden from other sources, paucity of adequate data on the one hand and the complex pathogenesis of disease on other makes for complexity in dealing with rural populations. However, surveys of cause of death do reveal some interesting patterns that may very well be of use for international comparisons. In this paper an attempt has been made to estimate the cancer burden in rural India using the information available from surveys of cause of death for rural populations conducted by the Government of India.

Cause of Death↗
PubMed2005

Emergence of Vibrio cholerae O1 Biotype El Tor serotype Inaba in north India.

All cases of cholera that have occurred at our center in north India have been due to Vibrio cholerae O1 serotype Ogawa, including the outbreaks in 2002 and 2004. Here we report the emergence of V. cholerae O1 biotype El Tor serotype Inaba for the first time in this region since July 2004. Fifteen Inaba isolates were obtained from 32 patients suffering from cholera-like illness. The patients lived in Chandigarh and the neighboring states of Punjab, Haryana, and Himachal Pradesh. All strains were resistant to nalidixic acid and trimethoprim, and showed moderate sensitivity to amoxycillin. All were sensitive to ciprofloxacin, tetracycline, cefotaxime, amikacin, and gentamicin. All strains were found to be toxigenic when tested with a commercial reverse passive latex agglutination kit. The last reported Inaba isolate dominance in India was observed in Calcutta in 1989. There is a need to closely watch the spread of serotype Inaba, as it may cause outbreaks in other parts of India; molecular studies are warranted to understand the widespread emergence of Inaba in north India.

Adolescent↗
PubMed2005

A pilot study for serological evidence of hantavirus infection in human population in south India.

BACKGROUND AND OBJECTIVES: Hantaviruses are rodent-borne viruses of the family Bunyaviridae that have been identified as aetiological agents of two human diseases, haemorrhagic fever with renal syndrome (HFRS) and hantavirus pulmonary syndrome (HPS). There are no reports of hantavirus infections in humans from India, hence this pilot study was undertaken to provide the serological evidence of hantavirus infections in humans in south India. METHODS: Serum samples were obtained from individuals with acute febrile illness and from voluntary blood donors, majority of whom were from south India. Serum samples were tested for anti-hantavirus IgM using a commercial enzyme immunoassay (EIA). Samples found positive by the EIA were tested by an indirect immunofluorescence assay (IFA) using slides coated with Seoul virus (SEOV) infected cells as substrate. RESULTS: Of the 152 serum samples from individuals with pyrexic illness, 23 (14.7%) were positive for anti-hantavirus IgM by EIA. In contrast, only 5.7 per cent of healthy blood donors were positive by this assay. Eighteen of the 22 (82%) EIA-positive samples from patients were positive by the IFA assay. In contrast, only 2 of the 5 (40%) blood donor EIA positive samples were positive in the IFA assay. INTERPRETATION AND CONCLUSION: The finding of this study indicated the possible presence of hantavirus infections in the human population of India presenting both as asymptomatic and symptomatic infections. Further studies need to be done to confirm the findings on a larger sample using molecular techniques.

Fluorescent Antibody Technique, Indirect↗
PubMed2005

Frequency of drug-resistant variants of HIV-1 coexistent with wild-type in treatment-naive patients of India.

CONTEXT: Over the past few years, reports of emergence and transmission of drug-resistant strains of HIV have increased, especially in western countries. In the context of increased widespread use of zidovudine- and lamivudine-based combinations in India, coupled with the genetic diversity of HIV, it is essential to generate preliminary data on the frequency of zidovudine- and lamivudine-resistant variants of HIV-1 in North India. OBJECTIVES: In the present study, the authors screened for mutations in the pol gene of HIV-1 associated with resistance to zidovudine and lamivudine in HIV-infected treatment-naive patients from North India. DESIGN AND PATIENTS: The mutations were screened at codons 70 and 215 (conferring resistance to zidovudine) and at codon 184 (conferring resistance to lamivudine) by using a nested amplification refractory mutation system-polymerase chain reaction (ARMS-PCR) approach from the proviral DNA of 60 patients. RESULTS: Most of the patients showed a mixture of both wild-type and mutant virus. In all but 1 patient, wild-type virus was observed with respect to each codon. Mutant variants were also observed in many patients, especially at codon 70 (48 patients [80%]) and codon 184 (19 patients [31.67%]). In contrast, the frequency of mutation at codon 215 was found to be very low (1 patient [1.67%]). CONCLUSIONS: In this sample of treatment-naive HIV-1-infected patients in North India, a high proportion of mutant variants harbored mutations in the pol gene at codons- 70 and 184 coexisting with wild-type HIV-1.

Adolescent↗