Archaeal viruses represent a remarkably diverse group infecting a domain of life distinct from both bacteria and eukaryotes. Their genomic characteristics often reveal novel gene repertoires and ...

For a long time, researchers contested the presence of microscopic pathogens suspected of causing various diseases in plants and animals. The invention of the electron microscope in 1933 made them ...

Suddenly they appear and -- like the SARS-CoV-2 coronavirus -- can trigger major epidemics: Viruses that nobody had on their radar. They are not really new, but they have changed genetically. In ...

With its many variations, its ability to mutate, evade population immunity, and spread throughout the population, and its potential to cause serious illness and even death, the influenza viruses are ...