Health officials have issued an urgent warning following a surge in cases of an organ-destroying virus—and warned that holidaymakers need to take extra caution. Chikungunya is classed as a tropical ...

A scientific study of a tropical virus has revealed some surprising results, with researchers warning that a variant might be on the move. Cornell University's College of Veterinary Medicine set out ...

A virus largely unknown outside scientific circles is spreading rapidly across parts of Latin America, drawing comparisons to Zika and dengue and prompting concern from epidemiologists. Known as the ...

A mosquito-borne virus has led to a widespread outbreak in China – but could it show up in the U.S.? The U.S. Centers for Disease Control and Prevention (CDC) issued a Level 2 alert on Wednesday for ...

New York, N.Y. (WPVI) -- The U.S. territory of Puerto Rico today reported a jump in the number of mosquito-borne Zika virus cases. Health Secretary Ana Rius says there are 18 confirmed cases, though ...

A new case of Ebola has been confirmed in Sierra Leone, officials said Thursday, the second since west Africa celebrated the end of the epidemic last week. The fresh outbreak has prompted the country ...

Oropouche virus disease (OROV) is mainly spread by the bite of a biting midge but mosquitos are also culprits. (Getty Images) A tropical virus nicknamed "sloth fever" has been detected in the UK for ...

Liberia said Thursday it is free of Ebola, meaning there are now no known cases in west Africa of the tropical virus that has killed more than 11,300 people in the region since late 2013. Liberia was ...