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At least 1,549 records · Page 86Linked to original sources
PubMed2003

Survey of personal protection measures against mosquitoes among Australian defense force personnel deployed to East Timor.

A questionnaire was completed by 955 Australian Defense Force soldiers from two battalion groups to determine their usage of mosquito repellents and bed nets during peacekeeping duties in East Timor. The survey showed that most soldiers (84%) used repellents, but only 19% used them daily. The soldiers used a number of repellent formulations; however, few soldiers used the Australian Defense Force deet (diethyl methylbenzamide) formulation containing 35% deet in a gel. Most soldiers preferred several commercial formulations, which contained 7 to 80% deet. The occurrence of mosquito-borne disease in soldiers was not affected by repellent usage, as the use of repellents was comparable between infected and noninfected individuals. The overall frequency of bed net usage differed in the two battalion groups. The occurrence of malaria in soldiers from one battalion group who did not sleep under a bed net every night of their deployment was significantly (p = 0.007) higher than those who did.

Adult↗
PubMed2003

[Scabies].

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Administration, Oral↗
PubMed2003

A terrible itch.

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Aged↗
PubMed2003

Scabies.

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Hexachlorocyclohexane↗
PubMed2005

Malaria and nutritional status among pre-school children: results from cross-sectional surveys in western Kenya.

Protein-energy malnutrition (PEM) affects millions of children in the developing world. The relationship between malaria and PEM is controversial. The goal of this study was to evaluate whether undernutrition is associated with increased or decreased malaria attributable morbidity. Three cross-sectional surveys were conducted using insecticide-treated bed nets (ITNs) among children aged 0-36 months living in an area with intense malaria transmission. Data were collected on nutritional status, recent history of clinical illness, socioeconomic status, current malaria infection status, and hemoglobin. In multivariate models, stunted children had more malaria parasitemia (odds ratio [OR] 1.98, P < 0.0001), high-density parasitemia (OR 1.84; P < 0.0001), clinical malaria (OR 1.77; P < 0.06), and severe malarial anemia (OR 2.65; P < 0.0001) than nonstunted children. The association was evident in children with mild-to-moderate (-3 < height-for-age Z-score [HAZ] < -2) and severe stunting (HAZ < -3). The cross-sectional nature of the study limits the interpretation of causality, but the data provide further observational support that the presence of undernutrition, in particular chronic undernutrition, places children at higher, not lower risk of malaria-related morbidity.

Bedding and Linens↗
PubMed2005

Effect of chemical fogging on immature Aedes mosquitoes in natural field conditions.

INTRODUCTION: Dengue and dengue haemorrhagic fever are common and serious arboviral diseases endemic in a number of countries situated in both the tropical and subtropical belts. METHODS: A prospective study was carried out to examine the environmental factors influencing the ovipositing behaviour of gravid female Aedes mosquitoes in a typical urbanised residential environment in Malaysia. This study reports the effect of the usual ultra-low volume fogging of insecticides carried out by public health officers on the collection of immature Aedes mosquitoes using ovitraps. RESULTS: Throughout the study, no dead immature Aedes mosquitoes was noted in any of the ovitraps set up in all of the fogging and immediate post-fogging periods. The mean number of days of ovitrapping for immediate pre-fogging, fogging and post-fogging periods were 10.3, 10.1 and 10.4 days, respectively. There was no statistically significant difference in the mean duration of ovitrapping cycle among the immediate pre-fogging, fogging and immediate post-fogging periods. The total number of immature Aedes mosquitoes collected in the immediate post-fogging periods was more than the immediate pre-fogging periods, and both were more than the fogging periods. However, there was no statistically significant difference in the total number of immature Aedes mosquitoes collected at various periods. It was not unusual to find dead insects, spiders and even small animals collected in ovitraps or environment in the fogged locality within 48 hours of chemical fogging. CONCLUSION: In this study, the usual chemical fogging in natural environment was ineffective in breaking the reproductive lifecycle by eliminating gravid female Aedes mosquitoes.

Aedes↗
PubMed2005

Protective efficacy of lambda-cyhalothrin treated nets in Anopheles gambiae pyrethroid resistance areas of Côte d'Ivoire.

The efficacy of nets treated with lambda-cyhalothrin, a pyrethroid insecticide, on malaria infection and disease was assessed for the first time at the community level in Anopheles gambiae pyrethroid resistance areas. The study was carried out in northern Côte d'Ivoire, which is an area of kdr resistance. Four pairs of villages were selected and matched according to demographic, sociological, and ecological criteria. Among each pair, a village was randomly allocated to receive mosquito nets. More than 80% of beds were covered with nets treated with lambda-cyhalothrin and retreated after 6 months. In each village, 54 children aged 0-59 months were randomly selected and clinically monitored for 8 periods of 7 days throughout the year. Results showed that the efficacy of treated nets was maintained with a reduction of the prevalence of asymptomatic malaria infection by 12% and an estimated protective efficacy against malaria disease of 56%.

Animals↗