Some bugs can pose real threats — Lyme disease from tiny ticks, West Nile virus from mosquitoes, or life-threatening allergic reactions to bee stings. But most bug bites in this country are an itchy nuisance.
Warm weather makes it easier to spend more time outdoors, but it also brings out the bugs. Ticks are usually harmless. But a tick bite can lead to Lyme disease, which is caused by the bacterium Borrelia burgdorferi.