🚨BREAKING: Massive study of more than 5,000 genetic sequences of the #coronavirus reveals continual viral mutations—one mutation in the gene encoding its spike protein may have made the virus MORE CONTAGIOUS.🧬#COVID19 #SARSCoV2 https://t.co/x5F60iWlsU

— Dena Grayson, MD, PhD (@DrDenaGrayson) September 23, 2020