Plantar warts are painful foot lesions caused by a common virus.

Approximately 80 percent of children will have a middle ear infection at some point in their lives.

Around 30 million U.S. adults are diagnosed with a sinus infection annually, with most cold sufferers experiencing some viral form of the condition.

Primarily transmitted to humans via mosquito bites, most West Nile virus infections are asymptomatic or mild, but some cases can develop into severe illness.

The herpes simplex virus is a highly contagious infection spread primarily through skin-to-skin contact.

Tick season is here, and with it, the possibility of contracting bacteria, viruses, and parasites passed on through tick bites.

Staph bacteria live harmlessly of 30 percent of Americans but can lead to severe infection for some.

About one-quarter of the world population is believed to have contracted TB bacteria.

Over half of all women and about 12 percent of men will experience at least one UTI in their lifetime.