Scientists across the world are worried that the COVID-19 virus may mutate and take on a deadlier form. Now according to global study there is strong evidence that a new form of the coronavirus has spread from Europe to the US. The new mutation of COVID-19 makes the virus more likely to infect people but does not seem to make them any sicker than earlier variations of the virus. Researchers from the La Jolla Institute for Immunology and the Coronavirus Immunotherapy Consortium who participated in this study say that it is now the dominant form infecting people. The journal Cell