Clinical and Public Health Microbiology

Mosquitoes Carrying Pathogens Are Turning Up in New Regions

A website called ProMED Mail has received reports of disease-carrying mosquitoes showing up in unforeseen venues.  ProMED – the Program for Monitoring Emerging Diseases – is overseen by the International Society for Infectious Diseases that goes through alerts from its members, the news media, government releases, and other sources, and puts them in context.

Most reports concern the United States, where the Aedes aegypti mosquito that transmits yellow fever, Zika, Dengue fever, and the chikungunya virus has turned up in California and Nevada where it had never or only rarely been seen before.  Other reports concern mosquito species found for the first time on South Pacific islands or parts of Europe where harsh winters had previously kept them at bay.

The society is also keeping track of England’s attempt to keep out Aedes albopictus, the Asian tiger mosquito.  Aedes albopictus has already established itself in Italy, Gibraltar, and southern France, where it recently spread the chikungunya virus.  In August, a clutch of tiger mosquitoes arrived in Britain through the Eurotunnel, and 37 eggs were found at a truck stop in Kent in 2016.

For more information, visit the ProMed Mail website at https://www.promedmail.org.

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