11.   Scientists now believe it resulted from a version of the West Nile virus, which is transmitted by mosquitoes.

12.   Scientists wondered how a hawk could have become infected during the winter with a virus that is only known to be transmitted by mosquitoes.

13.   The Aedes mosquito normally transmits the virus to goats, camels and cattle by biting them.

14.   The Culex mosquito transmits the virus that causes St. Louis encephalitis.

15.   The virus is transmitted by mosquitoes that have bitten infected birds.

16.   There have been a few cases of dengue fever transmitted by mosquitoes in the Virgin Islands, and campers should use a repellent after sunset.

17.   There have also been two fatal cases of viral encephalitis, transmitted by mosquitoes, in North Carolina this summer.

18.   Treehole mosquitoes can transmit heartworm to dogs.

19.   West Nile virus, which is transmitted by mosquitos, continues to march across the nation.

20.   Yellow fever, transmitted by mosquitoes, was a mass killer in large parts of the world for centuries.