The Centers for Disease Control and Prevention (CDC) of the United States estimates that, the subvariants of the Omicron Covid-19 variant known as BA.4 and BA.5 are now representing 13 percent of the new corona virus cases in the United States, which has been increased from 7.5 percent a week ago and 1 percent in early days of May 2022.
The spread of Omicron subvariants has been adding more uncertainty to the trajectory of the novel coronavirus pandemic in the United States, where the current covid-19 case numbers are likely to be a significant underestimate. But whether it is leading to a major new wave of the infections or increase in the deaths and hospitalizations have remain unclear.
These new figures of the cases are based on the modelling and the estimates of US CDC have missed the mark before, but the overall trend is suggesting that, the BA.4 and BA.5 can possibly outcompete two of the other Omicron covid-19 subvariants, which together account for most of the cases in the United States.
Dr. Denish Nash, an epidemiologist at the CUNY Graduate School of Public Health & Health Policy said, this increase can happen very quickly and the data on both the subvariants of the Omicron covid-19 variant had been very limited.
Both the omicron covid-19 subvariants seem to spread more quickly than the other versions of the Omicron variant and might also be better at tackling the defenses of the immune system of the people.
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