Experts warn that the latest Omicron variants can spread out more easily; Pre-infections confer low immunity
BOSTON — As cases of Omicron continue to spread across the country, some experts are warning that staying outside may not provide the same protections as before. Dr Mallika Marshall explains: Omicron subtypes BA.4 and BA.5 are highly transmitted, some say transmitted as measles, which is considered the most contagious viral disease in humans. With … Read more