Omicron Subvariants BA.4, BA.5 Escape Antibodies

More details on the Omicron Subvariants BA.4 and BA.5 have surfaced. According to a study published in the New England Journal of Medicine yesterday, the variants appear to escape antibody responses among both people who have had Covid-19 and those fully vaccinated and boosted against the virus. The vaccine is still expected to provide protection against severe disease. Another study by scientists at Columbia University also found that both were more likely to escape antibodies from the blood of fully vaccinated and boosted adults compared with other Omicron Subvariants. The CDC estimates 94.7% of the U.S. population ages 16 and older have antibodies against the virus that causes Covid-19 through vaccination, infection or both. According to data published by the CDC on Tuesday, last week, BA.4 and BA.5 caused around 35% of new Covid-19 infections.