Add Yahoo as a preferred source to see more of our stories on Google. One way to tell if your phone has a virus is if it includes apps you don't remember installing. Phone viruses can also make the ...

The avian flu virus isolated from a hospitalized teenager in Vancouver has mutations in key areas that could help the virus spread more easily in humans, scientists say. There is no indication that ...

Alarmed about the continued spread of the chikungunya virus, US health officials have issued more travel advisories, warning Americans to take caution when traveling. Last week, the CDC issued two new ...

Unlike HIV or HBV, HCV replicates its genome directly into RNA without a DNA intermediate, so it lacks a latent, nuclear form that defies ready immunological clearance. In order for the virus to exist ...

Health officials say a measles outbreak in northeast B.C. that's been active for nearly a year is showing signs of a ...

Defying fears of another slowdown, U.S. businesses kept hiring at a solid pace in October, yet there are signs they remain cautious about the economy's future as the pandemic worsens. The Labor ...

Samples from a patient who recently developed the first severe case of H5N1 bird flu in the U.S. showed mutations that may make it easier for the virus to bind to cell receptors in the human upper ...

India is moving quickly to contain a Nipah virus outbreak in the eastern state of West Bengal after two cases were confirmed by the federal health ministry. Nearly 200 people have been quarantined ...

Learn how scientists identified genetic clues that distinguish natural viral spillovers from lab-handled viruses — and why one historical outbreak of 1977 surprised them.