11.   In other words, how long does it take after a mosquito bites you for symptom to start to appear?

12.   It is these cells that are picked up along with blood when a mosquito bites an infected animal or person.

13.   It might help, however, to know that only female mosquitoes bite, and not because they eat blood.

14.   Mosquitoes bite infected birds and then bite humans.

15.   Mosquitoes bite the hand that breeds them, say public health officials.

16.   Q. When a mosquito bites you, why does it leave a bump, and why does it bleed sometimes?

17.   That fact would determine, among other things, how many mosquitoes can bite an infected bird, and how far the virus might travel.

18.   The mosquitoes in turn will bite other birds, which will carry the virus on their journeys north during the spring.

19.   The virus is carried by birds, which can be bitten by mosquitoes that then transmit the illness to humans.

20.   The West Nile virus is carried by birds, which can be bitten by mosquitoes that then carry the illness to humans.