Understanding Cervical Biopsy

A cervical biopsy removes a tiny piece of tissue from your cervix. This tissue is sent to a lab to check for any problems with your cervix, such as precancer conditions or cancer.

Understanding Ehrlichiosis

This illness is caused by the bacteria in a tick bite. Symptoms often show up 1 to 2 weeks after you are bitten.

Understanding the Cold Virus

Colds are the most common illness that people get. Colds may be caused by over 200 types of viruses. The most common of these are rhinoviruses ("rhino" refers to the nose).

Understanding Coccidioidomycosis

Valley fever is an infection caused by a fungus that's breathed in from dust in the environment. It most often causes lung infection (pneumonia). Learn about symptoms, treatment, complications, and prevention.