The CDC reports that the number of Americans infected by insect-borne illnesses has more than tripled since 2004.
West Nile
Going viral: Why are fast-spreading viruses becoming so common?
While mechanisms of viruses are complex, the reasons behind their spread aren’t.
Will record rainfall bring more cases of West Nile?
Mosquitoes can transmit up to 1 million viruses in a single bite.
The science of West Nile virus
Area West Nile deaths prompt extra precaution for those at high risk
