CNBC news agency reported that Dozens of BA.2 subspecies have been infected with omicron virus in nearly half of the United States. which such subspecies More contagious than the original omikron strain or BA.1
A global database that tracks coronavirus strains, nearly half of the states in the United States have confirmed the BA.2 subspecies of omikron, and at least 127 people have been infected with the virus. Nationwide on Friday (28 Jan)
The U.S. Centers for Disease Control and Prevention (CDC) said in a statement Friday that although the BA.2 strain has outpaced traditional omikron in some countries, the number of BA. but in the US It was found that the BA.2 strain continued to spread at a low level.
CDC spokesman Kristen Nordlund also said: “There is currently no evidence to suggest that strain BA.2 is more virulent than strain BA.1.”
Denmark’s Statens Serum Institut states that Omicron virus subspecies BA.2 is approximately 1.5 times more infectious than the original strain, or BA.1.
Trolls Lielbeck, chairman of the Danish Coronavirus Surveillance Committee, said: The BA.2 subspecies surpassed the original omikron to become the dominant strain in Denmark in a few weeks.
The UK’s Health Safety Agency said the BA.2 strain did not seem to reduce the vaccine’s effectiveness at preventing symptomatic infection.
