Yellow fever appeared in the U.S. in the late 17th century. The deadly virus continued to strike cities, mostly eastern seaports and Gulf Coast cities, for the next two hundred years, killing ...

You have any signs of infection, including: New red streaks appearing on your skin Pus or yellow scabs on your rash A fever over 100 degrees Fahrenheit Your symptoms seem to be getting worse after ...

With increased travel to and from warmer climates, concerns regarding the mosquito-borne disease known as dengue fever are ...

The Zika virus is often asymptomatic, but when symptoms do occur, they can include muscle and joint pain, headache, fever, rash, and conjunctivitis ... sexual partners. Yellow fever is transmitted ...