How did viruses evolve? Are they a streamlined form of something that existed long ago, or an ultimate culmination of smaller genetic elements joined together? Aa Aa Aa The evolutionary history of ...

A study uncovers the viral gene that lets bird flu beat fever, reshaping surveillance strategies as H5N1 continues to spread.

Humans have been fighting viruses since the species has existed. For some viral diseases, vaccines and antiviral drugs have prevented widespread infection or helped people recover. And we've even been ...

Researchers have proposed a new evolutionary model for the origin of a kingdom of viruses called Bamfordvirae, suggesting a billion-years evolutionary arms race between two groups within this kingdom ...

Bird flu viruses can replicate at temperatures higher than a typical fever as one of the body's ways of stopping viruses in ...

In a recent study published in Emerging Infectious Diseases, researchers determined the zoonotic transmission potential of influenza A viruses (IAVs) H3 subtype of avian, equine, and swine origin. H3 ...

Scientists have said that a type of snake may be the original source of the Wuhan coronavirus. However, other infectious disease experts say the ultimate culprit is more likely to be the bat.

Evolution optimizes all creatures, from viruses to elephants, to their environment. Where do new variants come from, especially Omicron which is so different from previous variants? There may be a ...

For years the origin of the zombie plague on "The Walking Dead" remained a mystery -- but the question may have finally been answered.

A declassified report said a clearer answer would require more information from Beijing or new discoveries and reiterated divisions over natural causes vs. a lab leak. By Julian E. Barnes WASHINGTON — ...

Events such as the World Cup could have facilitated the spread, scientists say. — -- It’s not just humans who can travel rapidly across the world. Viruses and disease-spreading insects and ...

You would think that uncovering the origin of an event that killed millions of people, took down major economies, and dramatically altered lifestyles worldwide would be of top priority to global ...