It is noted that we are talking about a mutation of the combined version of "omicron" BA.1 and BA.2.
A biomaterial sample was taken from a child in Sao Paulo on February 16.
Earlier, Doctor of Medical Sciences, Academician of the Russian Academy of Sciences Gennady Onishchenko, in an interview with the FAN, commented on the situation with the spread of "stealth omicron".