The unusual cases of pneumonia began to appear in midwinter, in China. The cause, researchers would later learn, was a coronavirus new to science. By March, the infection began to spread to other ...

Distinguishing between self and non-self is a critical ability of the immune system. Some pathogens have evolved proteins that resemble those of their host, a mechanism called molecular mimicry, in an ...

Almost every pandemic we've seen over the last century has come from a virus that's spilled over into humans from an animal. "Generally, pandemics are seen as a biomedical problem," says Raina ...

Bird flu viruses may pack a little taste of home to help them adapt to life in new hosts. Despite plenty of instances of bird flu viruses infecting people, scientists weren’t sure exactly how the ...

Researchers from the Shmunis School of Biomedicine and Cancer Research at Tel Aviv University have deciphered a novel complex decision-making process that helps viruses choose to turn nasty or stay ...