Word: culex
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Dates: during 1990-1999
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...arrived from southern Russia, currently the site of a large West Nile outbreak. If mosquitoes had gorged on his blood, they could have transmitted the virus to birds by biting them in turn--thus starting an infectious cycle deadly for some humans and birds, though never for the carrier Culex pipiens. It's a scenario, says Monath, that's become increasingly common in a jet-setting...