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Culex or typical mosquitoes are a genus of mosquitoes, several species of which serve as vectors of one or more important diseases of birds, humans, and other animals. The diseases they vector include arbovirus infections such as West Nile virus , Japanese encephalitis , or St. Louis encephalitis , but also filariasis and avian malaria .
Mosquitoes can develop from egg to adult in hot weather in as few as five days, but it may take up to a month. [13] At dawn or dusk, within days of pupating, males assemble in swarms, mating when females fly in. [14] The female mates only once in her lifetime, attracted by the pheromones emitted by the male.
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Mosquito saliva contains >30 potentially allergenic proteins. More than 11 of these have been identified in the saliva of the Aedes egypti mosquito. Four such proteins, termed Aed a 1 (an apyrase), Aed 2 (Female-specific protein, D7), Aed 3 (an as yet undefined protein), and Aed a 4 (an α-glucosidase) have been purified as recombinant proteins.
As cases rise around the world, U.S. health officials are warning Americans about dengue fever, a potentially fatal disease carried by mosquitoes. The disease, which includes symptoms such as a ...
It’s virtually impossible for doctors to diagnose a mosquito-borne illness on symptoms alone. “West Nile and Eastern equine encephalitis can cause the same presentation,” Staples said ...
Mosquito-borne diseases or mosquito-borne illnesses are diseases caused by bacteria, viruses or parasites transmitted by mosquitoes. Nearly 700 million people contract mosquito-borne illnesses each year, resulting in more than a million deaths.
Before the male mosquitoes are released, an X-ray machine sterilizes them. If the zapped males mate with a female, her eggs won't hatch. Allen J. Schaben / Los Angeles Times