Omicron sub-variant BA.2 poses threat as Covid-19 cases increase in US - Some regions, like the Northeast, are seeing more cases caused by BA.2.12.1 than others.
A new, highly transmissible subvariant of Omicron is spreading rapidly across the United States, as COVID-19 cases in the country are ticking up again.
The new strain, called BA.2.12.1, made up 36.5 per cent of new Covid-19 cases in the country in the week ending April 30, according to data released Tuesday by the US Centers for Disease Control and Prevention (CDC).
LOS ANGELES, May 4 (Xinhua) Anti-COVID-19 pill Paxlovid could reduce risks for COVID-19 related hospitalization, and early treatment with Paxlovid and other available authorized therapeutics could make a difference for high-risk patients, according to health experts.