Rheumatic fever (RF) is a fairly rare inflammatory condition in developed countries that can develop as a complication of untreated strep throat caused by group A streptococcal infections. It ...

Add Yahoo as a preferred source to see more of our stories on Google. Other early symptoms of Lyme disease mimic what you might experience with the flu: a fever, chills, muscle aches, and swollen ...

Lyme disease numbers are increasing, especially here in the Northeast. The CDC says emergency department visits for tick bites hit their highest level in years over the summer. Symptoms of Lyme ...

Lyme disease is the most common vector-borne illness in the United States, a potentially disabling infection caused by bacteria transmitted through the bite of an infected tick to people and pets.

Nearly 500,000 people are diagnosed with Lyme disease each year in the U.S. For about 75% of them, the first sign will be a skin lesion that appears one to four weeks after being bitten by an infected ...