World Mosquito Day
World Mosquito Day, observed annually on 20 August, is a commemoration of British doctor Sir Ronald Ross's discovery in 1897 that female anopheline mosquitoes transmit malaria between humans. Prior to the discovery of the transmitting organism, vector, there were few means for controlling the spread of the disease although the discovery of quinine in treatment had alleviated the problem of treatment. According to one survey, nearly half the world population was at significant risk from malaria in the 19th century with a 10% mortality among those infected.[1] Ross had already conducted experiments with Culex (possibly C. fatigans) fed on birds infected with bird malaria Protesoma relictum (now Plasmodium relictum) in 1894 and noted that they developed in mosquito gut and had surmised that the same may happen in malaria.[2] Ross had noted the day of the discovery made in Secunderabad (printed incorrectly as 1895, but definitely 1897 based on his postings):[3]
The 20 August 1895 [sic]-the anniversary of which I always call Mosquito Day - was, I think, a cloudy, dull hot day. I went to hospital at 7 a.m., examined my patients, and attended to official correspondence; but was much annoyed because my men had failed to bring any more larvae of the dappled-winged mosquitoes, and still more because one of my three remaining Anopheles had died during the night and had swelled up with decay. After a hurried breakfast at the Mess, I returned to dissect the cadaver (Mosquito 36), but found nothing new in it. I then examined a small Stegomyia, which happened to have been fed on Husein Khan on the same day (the 16th) —Mosquito 87—which was also negative, of course. At about I p.m. I determined to sacrifice the seventh Anopheles (A. stephensi) of the batch fed on the 16th, Mosquito 38, although my eyesight was already fatigued. Only one more of the batch remained.
The London School of Hygiene & Tropical Medicine holds Mosquito Day celebrations every year, including events such as parties and exhibitions, a tradition dating back to as early as the 1930s.[4]
See also[edit]
References[edit]
- ^ Carter, Richard; Mendis, Kamini N. (2002). "Evolutionary and Historical Aspects of the Burden of Malaria". Clinical Microbiology Reviews. 15 (4): 564–594. doi:10.1128/CMR.15.4.564-594.2002. ISSN 0893-8512. PMC 126857. PMID 12364370.
- ^ Cox, Francis EG (2010). "History of the discovery of the malaria parasites and their vectors". Parasites & Vectors. 3 (1): 5. doi:10.1186/1756-3305-3-5. ISSN 1756-3305. PMC 2825508. PMID 20205846.
- ^ Ross, Ronald (1923). Memoirs : with a full account of the great malaria problem and its solution. London: John Murray. p. 223.
- ^ "Health and Science - Abuzz over malaria on World Mosquito Day". AlertNet. Retrieved 21 November 2012.
External links[edit]
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