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.

We are now able to receive free COVID-19 vaccines in Wuhan, and the news is getting better and better. We are sure that we can take off our masks soon. Let's take a look at the scientific tools that will keep the coronavirus pandemic safe.