California Healthline Daily Edition

Latest California Healthline Stories

Daily Edition for Thursday, April 22, 2021

California Covid Variants Are 20% More Contagious: Two California-bred coronavirus variants are about 20% more infectious than the original virus, according to a study published Tuesday by researchers at UCSF, UC Berkeley and the California Department of Public Health. The California variants, known as B.1.427 and B.1.429, are described as one strain in the paper because they are very similar and share at least one key mutation. Read more from the San Francisco Chronicle.