JN. 1, a highly contagious variant of the Omicron strain, accounted for less than 5 percent of cases nationwide in early November, but now accounts for about 86 percent of coronavirus cases in the United States. occupies . The Centers for Disease Control and Prevention (CDC) reports.
It is also the most dominant one all over the world.
The number of JN.1 cases in the United States has doubled in the last month.
In mid-December, it accounted for about 22% of cases, but by late December it accounted for 44% of cases in the United States.
That’s when the World Health Organization (WHO) declared JN.1 a “variant of interest.”
“Based on its genetic characteristics, JN.1 may have antigenic advantages that evade previous immunity,” WHO said. “While JN.1 infections are rapidly increasing and the number of cases may also be increasing, the limited evidence available suggests that the severity of the associated disease may be lower than that of other circulating variants. This does not imply that it is higher than the
JN.1 was first identified in late August.
According to the Johns Hopkins University Bloomberg School of Public Health,“The increase in the number of people infected with JN.1 is equivalent to the increase in the number of people infected with the new coronavirus overall.
“The symptoms of JN.1 infection are very similar to those of previous Omicron variants and do not appear to cause more severe disease.”
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