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Allrecord rapid antigen: French new crown cases increase by about 50% every week, experts recommend wearing masks on public transport Overseas Network, June 23.
What are XE mutants?XE is a mutant resulting from recombination of BA.1 (original Omicron strain) and BA.2 (Omicron "stealth" strain), and is referred to as a "recombinant" or hybrid strain. And a "variant" is a version of a virus that contains a set of mutations, or changes in its genetic material.
According to New Atlas, how does the RAPID antigen COVID-19 test work? Why did the U.S. government recently commit to buy 280 million test kits? Will that be enough to help contain the spread of the virus?
