| person-to-person transmission of cholera in a psychiatric hospital. | an outbreak of cholera caused by vibrio cholerae o1, biotype el tor, serotype ogawa, phage type 4, was reported in a psychiatric hospital in singapore. a total of 74 inmates (18 symptomatic and 56 asymptomatic) were infected; two of them died. extensive epidemiological investigations showed that the organism was not transmitted by contaminated food or water but through close person-to-person contact. early recognition of the outbreak and prompt implementation of epidemic control measures compris ... | 1990 | 2341728 |
| epidemiological characteristics of an institutional outbreak of cholera. | an outbreak of cholera caused by vibrio cholerae 01, biotype el tor, serotype inaba, phage type 4, occurred in an institution for the aged in singapore in august and september 1984. 96 inmates were infected (21 symptomatic and 75 asymptomatic) and 5 died. the index case was a 72-year-old male inmate who continued to assist in food preparation in the kitchen from the time of onset of diarrhoea until he was seriously ill and hospitalized 4 days later. another kitchen helper was found to have asymp ... | 1987 | 3617183 |
| a clinical study of vibrio cholerae 01 in singapore related to environmental factors. | | 1984 | 6530534 |
| a common source foodborne outbreak of cholera in singapore. | an epidemiological investigation of an outbreak of vibrio cholerae 01, biotype el tor, serotype ogawa, phage type 1, confined to a group of foreign construction workers in singapore is described. a total of 22 workers were confirmed to have cholera and another 15 had asymptomatic vibrio cholerae 01 infection between 3 november and 11 november 1982. the source of infection was traced to contaminated seafood prepared at the construction site canteen where two food handlers were found to be infecte ... | 1984 | 6735567 |
| epidemiological characteristics of cholera in singapore, 1992-2007. | we carried out an epidemiological review of cholera in singapore to determine its trends and the factors contributing to its occurrence. | 2010 | 20697667 |