In some cases, the virus can cause a fatal brain infection ...

The World Health Organization (WHO) classifies Nipah virus (NiV) as a zoonotic disease, meaning it spreads from animals to ...

An outbreak of the chikungunya virus in southern China has prompted a strong government response as cases climb into the thousands. The disease, which is spread by mosquitoes, is most prevalent in the ...

Over the past three years, bird flu — caused by the avian influenza A (H5N1) virus — has extended its reach around the U.S. and across many species. The virus arrived in wild birds, but it has now ...

A deadly strain of virus has been detected in at least five people so far in India sparking panic among health officials.