WHO says there are more than 500 different types of Omicron in circulation.
Dr. Maria Van Kerkhove, an American infectious disease epidemiologist and the technical lead for Covid-19 at the World Health Organization (WHO), said that there are more than 500 different types of Omicron in circulation.
In a tweet on Sunday (Nov. 27), she said that BA.5 sublineages are the most common, but there are so many different sublineages going around that it is hard for WHO and the Technical Advisory Group on SARS-CoV-2 Virus Evolution (TAG-VE) to evaluate each one as quickly and thoroughly as they need to.
She said, “We have to put pressure on this virus and use tools right now to save lives.”
Van Kerkhove said that all countries should put their efforts into vaccinating the people who are most at risk (100% coverage), stopping the disease from spreading while societies stay open (mask, ventilate, stay home if sick, etc.), and keeping up surveillance, sequencing, early clinical care, and accurate information so that communities know how to stay safe.
“Be vigilant & keep fighting.
“We need to get to a point where Covid-19 is managed well in every country. “Though things are much better now, we’re still not there,” she said.