Dengue Fever

Lower transmission increases dengue deaths

Published in TB and Outbreaks Week, February 19th, 2008

A pair of researchers has answered a puzzle about why efforts to lower the transmission of dengue virus in Thailand have not resulted in decreases in the severe, life-threatening, form of the infection. In fact, it seems to have had just the opposite effect.

Katia Koelle, an assistant professor in biology at Duke University, and Yoshiro Nagao, a graduate student at Osaka University Graduate School of Medicine, examined dengue infection data from Thailand going back to 1981, and constructed a set of epidemiological models in an attempt to explain this strange pattern.

Normally, an infection of the mosquito-borne virus produces a few days of non-fatal...

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Source: TB and Outbreaks Week (2008-02-19)

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