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New Omicron BA.2 sub-variant is gaining ground in America, these things are important for you to know


According to the Centers for Disease Control (CDC), the BA.2 subvariant of Omicron has produced more mutated branches, gaining a foothold in the United States. While BA.2 is still the dominant variant in the US. The health agency further said, “BA.2.12.1 now accounts for one in five new cases nationwide.”

Globally, at least 21 viral offspring of BA.2 have been reported, according to a CNN report. But except for BA.2.12.1, others have mutations of little importance.

CDC figures show that BA.2.12.1 caused 19 percent of new cases in the US last week, up from 11 percent a week ago and 7 percent a week before that.

How fast is the new sub-variant spreading,

  • According to the CDC, BA.2 and 2.12.1 together accounted for an estimated 93 percent of new COVID-19 cases in the US last week.
  • The seven-day moving average of US Covid cases stood at 34,972 as of April 16, up 4 per cent from a week earlier.
  • Overall cases across the US have declined sharply since reaching record levels in January, but COVID-19 infections have been on the rise during the past few weeks, especially in northeastern states such as New York and Connecticut.
  • NBC reported that the latest version is 23 to 27 percent more contagious than 2. However, there is no evidence that BA.2.12.1 causes more severe disease, the report further states.
  • After the resurgence of Kovid-19 cases in parts of Asia and Europe, concerns are being raised that another wave may hit the US.

BA.2.12.1 to B.A.What differentiates it from 2?
According to Trevor Bedford, an epidemiologist and genomic scientist at the University of Washington’s School of Public Health, B.2.12.1 has the spike mutations S704L and L452Q over the BA.2 background.

Bedford further said on Twitter that previously, the L452R played an important role in promoting the spread of Delta and also appeared in Epsilon and Lambda.

Bedford said, “We see logistic growth rates of 0.06 per day in NY (New York) and 0.11 per day in MA (Massachusetts). This is similar in magnitude to the observed gains of BA.1 over BA.2.” “

Warning about new sub-lineage of Omicron
The New York State Department of Health alerted city residents to the new sub-lineage last week, warning they were spreading about 25 percent faster than BA.2 and increasing the risk of covid-19 cases and hospitalizations. were causing.

It also urged New Yorkers to “act swiftly” to consider wearing masks, receiving a dose of booster vaccine, getting tested if they have symptoms, and getting treatment if infected.

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