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PubMedDate not supplied

Fungus-growing ants (Hymenoptera: Formicidae) on Santa Catarina Island, Brazil: patterns of occurrence.

A taxonomic survey on fungus-growing ants (Attini) was made at 14 beaches on Santa Catarina Island (SC), Brazil. The samplings were manual, in soil or litterfall, in the following habitats: sandy beach, herbaceous vegetation and shrubby vegetation. From 12 species of Attini (ten of Acromyrmex Mayr and two of Cyphomyrmex Mayr), the most frequent were Cyphomyrmex morschi Emery and Acromyrmex crassispinus Forel, collected, respectively, on eight and ten of the monitored beaches. Altogether, Sorensen's similarity coefficients were high (range: 0.59-0.80), in spite of the lower numbers of ant species on sandy beaches.

Animals↗
PubMed1976

Observation on biting midge infestations on Mamburao Beach, Mimdoro, Philippines.

The occurrence of biting midge infestation involving the species Leptoconops (Styloconops) spinosifrons Carter 1921 (Diptera, Ceratopogonidae) is reported from a beach resort in Mindoro Island, Philippines. The flies are most active between 0700 and 0900 hours, and again, between 1600 and 1800 hours; they are most abundant in the shoreline and sand beach area.

Bathing Beaches↗
PubMed2006

Surveillance for waterborne disease and outbreaks associated with recreational water--United States, 2003-2004.

PROBLEM/CONDITION: Since 1971, CDC, the U.S. Environmental Protection Agency, and the Council of State and Territorial Epidemiologists have collaboratively maintained the Waterborne Disease and Outbreak Surveillance System for collecting and reporting waterborne disease and outbreak (WBDO)-related data. In 1978, WBDOs associated with recreational water (natural and treated water) were added. This system is the primary source of data regarding the scope and effects of WBDOs in the United States. REPORTING PERIOD: Data presented summarize WBDOs associated with recreational water that occurred during January 2003-December 2004 and one previously unreported outbreak from 2002. DESCRIPTION OF THE SYSTEM: Public health departments in the states, territories, localities, and the Freely Associated States (i.e., the Republic of the Marshall Islands, the Federated States of Micronesia, and the Republic of Palau, formerly parts of the U.S.-administered Trust Territory of the Pacific Islands) have primary responsibility for detecting, investigating, and voluntarily reporting WBDOs to CDC. Although the surveillance system includes data for WBDOs associated with drinking water, recreational water, and water not intended for drinking, only cases and outbreaks associated with recreational water are summarized in this report. RESULTS: During 2003-2004, a total 62 WBDOs associated with recreational water were reported by 26 states and Guam. Illness occurred in 2,698 persons, resulting in 58 hospitalizations and one death. The median outbreak size was 14 persons (range: 1-617 persons). Of the 62 WBDOs, 30 (48.4%) were outbreaks of gastroenteritis that resulted from infectious agents, chemicals, or toxins; 13 (21.0%) were outbreaks of dermatitis; and seven (11.3%) were outbreaks of acute respiratory illness (ARI). The remaining 12 WBDOs resulted in primary amebic meningoencephalitis (n = one), meningitis (n = one), leptospirosis (n = one), otitis externa (n = one), and mixed illnesses (n = eight). WBDOs associated with gastroenteritis resulted in 1,945 (72.1%) of 2,698 illnesses. Forty-three (69.4%) WBDOs occurred at treated water venues, resulting in 2,446 (90.7%) cases of illness. The etiologic agent was confirmed in 44 (71.0%) of the 62 WBDOs, suspected in 15 (24.2%), and unidentified in three (4.8%). Twenty (32.3%) WBDOs had a bacterial etiology; 15 (24.2%), parasitic; six (9.7%), viral; and three (4.8%), chemical or toxin. Among the 30 gastroenteritis outbreaks, Cryptosporidium was confirmed as the causal agent in 11 (36.7%), and all except one of these outbreaks occurred in treated water venues where Cryptosporidium caused 55.6% (10/18) of the gastroenteritis outbreaks. In this report, 142 Vibrio illnesses (reported to the Cholera and Other Vibrio Illness Surveillance System) that were associated with recreational water exposure were analyzed separately. The most commonly reported species were Vibrio vulnificus, V. alginolyticus, and V. parahaemolyticus. V. vulnificus illnesses associated with recreational water exposure had the highest Vibrio illness hospitalization (87.2%) and mortality (12.8%) rates. INTERPRETATION: The number of WBDOs summarized in this report and the trends in recreational water-associated disease and outbreaks are consistent with previous years. Outbreaks, especially the largest ones, are most likely to be associated with summer months, treated water venues, and gastrointestinal illness. Approximately 60% of illnesses reported for 2003-2004 were associated with the seven largest outbreaks (>100 cases). Deficiencies leading to WBDOs included problems with water quality, venue design, usage, and maintenance. PUBLIC HEALTH ACTIONS: CDC uses WBDO surveillance data to 1) identify the etiologic agents, types of aquatic venues, water-treatment systems, and deficiencies associated with outbreaks; 2) evaluate the adequacy of efforts (i.e., regulations and public awareness activities) to provide safe recreational water; and 3) establish public health prevention priorities that might lead to improved regulations and prevention measures at the local, state, and federal levels.

Bathing Beaches↗
PubMedDate not supplied

Sun protection among parents and children at freshwater beaches.

OBJECTIVES: This paper describes the sun-related behaviour of parents and their children, ages 5-12 years. METHODS: In-person interviews were conducted with parents and observations of parents and their children to ascertain: 1) parents' self-reported use of sunscreen, 2) parent-proxy reports of children's sunscreen use, and 3) observations of parents' and children's use of shade, hats and protective clothing. Data collection took place at freshwater beaches in BC's Southern Interior, between 12 pm and 5 pm, over a seven-day period during August 1999. RESULTS: 94 parents were interviewed and observed. Parent-proxy reports and observational data were collected on 161 children. Half (53%) of parents reported they were wearing sunscreen at the time of the on-beach interview. Most (65%) of parents reported that their children were wearing sunscreen at the time of the on-beach interview. Children's first application of sunscreen took place on average 1.5 hours prior to interview. Most parents (86%) reported that their children's sunscreen had not been reapplied at the time of interview. Few parents (13%) or children (5%) used shade as provided by nearby trees or umbrellas. CONCLUSION: Public education should emphasize sunscreen re-application. Actions should be taken to enhance the convenient use of shade structures at public beaches.

Adult↗
PubMed1984

[Detection of enteroviruses in seawater and beach sand].

In the years from 1975 to 1978 investigations were carried out to detect enteroviruses in the sea-water and in the sand of the beaches of the Rumanian Black Sea coast, in zones with and without waste water discharge. The quantities of enteroviruses found in the seawater and in the sand of the beaches were lower than those verified in other countries. For the identification of viruses we used two concentration methods simultaneously (polyelectrolyte PE60 Monsanto USA and brewer's yeast cells) as well as two methods of isolation (in cell cultures and with newborn mice). The incidence of enteroviruses depended on the season, with no viruses present in the sea-water and in the sand of the beaches during the periods considered to be outside the holidaying season. The discharge of purified sewage into the sea was not attended by considerable viral contamination of the sea-water and of the beaches.

Animals↗