A new COVID-19 variant has begun appearing in several locations across the United States, raising concerns among experts that it may partially evade immunity due to its high number of mutations.
The variant, designated BA.3.2, carries between 70 and 75 mutations on the spike protein, the part of the virus that allows it to enter human cells, according to a report from ABC 10News.
Scientists suggest that some of these mutations could make the virus more transmissible and help it partially bypass immune defenses, whether from prior infection or vaccination.
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Where Has the Variant Been Detected?
Thus far, the variant has been identified in nasal swabs from four U.S.-based travelers, as well as in samples from five patients across four states.
Additionally, BA.3.2 has been detected in wastewater in more than 20 states, suggesting it may be more widespread than current case counts indicate. Still, it accounts for only a minimal percentage of total COVID-19 cases nationwide.
Despite the emergence of this new variant, there is no evidence at this time that BA.3.2 causes more severe illness.
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Mild Symptoms Reported
To date, identified cases have resembled those of other recent variants, with symptoms that are mostly mild and similar to the common cold.
Nevertheless, health experts continue to urge the public to stay up to date with COVID-19 vaccinations, as the virus continues to cause deaths across the country.
The most vulnerable population remains adults aged 65 and older, infants under one year, and individuals with chronic medical conditions.
