Kei Sato was looking for his next big challenge five years ago when it smacked him — and the world — in the face. The virologist had recently started an independent group at the University of Tokyo ...

Avian influenza viruses typically require several mutations to adapt and spread among humans, but what happens when just one change can increase the risk of becoming a pandemic virus? A recent study ...

Ushikuvirus, an amoeba-infecting giant virus, joins the family of giant viruses that may have driven the evolution of complex cells The origin of life on Earth becomes even more fascinating and ...