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J. K. Sarkar, A. K. Hati, A. C. Mitra, Role of Mosquitoes in the Spread of Smallpox, The Journal of Infectious Diseases, Volume 128, Issue 6, December 1973, Pages 781–783, https://doi.org/10.1093/infdis/128.6.781
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Abstract
Smallpox is endemic in Calcutta, where Culex pipiens fatigans and Aedes aegypti abound. In a study of the role of these two species of mosquito in the spread of smallpox, laboratory-bred mosquitoes were allowed to feed on variola-infected, viremic infant mice. The engorged mosquitoes were tested daily for 15 days for viable variola virus. Virus could be recovered from C. pipiens fatigans for 72 hr and from A. aegypti for 96 hr. The separated proboscises of the latter mosquitoes were tested and were found to contain virus for the entire 96-hr period. It appears, therefore, that mechanical transmission of smallpox by these mosquitoes, especially A. aegypti, is possible.