South African scientists discover two new strains of Omicron
Scientists in South Africa have detected two new sub-strains of the highly contagious "Omicron" mutant of the Corona virus.
Tulio de Oliveira, who runs the country's genetic sequencing institutions, said in tweets on "Twitter", Monday, that the two subspecies were called "BA.4" and "BA.5" (BA.5), according to What was reported by the American "Bloomberg" agency.
De Oliveira added that the two new strains did not cause an increase in the number of infections in the country, and that they were found in samples from a number of countries.
This comes a day after the World Health Organization announced that it is tracking a few dozen infections with two new sub-strains of the "Omicron" mutant, in order to assess whether they are more contagious or more dangerous.
The WHO added the PA4 and PA5 sub-strains of the original Omicron PA1 to its watch list. It is already tracing the two strains "PA1" and "PA2", which are now widespread worldwide, as well as "PA1.1" and "PA3".
Britain's Health Security Agency said last week that the BA4 sub-strain had been detected in South Africa, Denmark, Botswana, Scotland and England from January 10 to March 30.
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