Many coronavirus mutations are circling the globe, but we don't know if any are more dangerous
SAN FRANCISCO — The coronavirus is mutating as it spreads across the planet, with a strain that may first have appeared in Europe becoming dominant in many areas even as new ones appear. The still unanswered question is how the strains differ and whether they cause additional, and more severe, illnesses.Several recent studies have identified mutations of the original SARS-CoV-2 virus that emerged in China and causes COVID-19. The strains are […]
