Tuesday, March 19, 2024

Study: UK virus variant spreading rapidly in US

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Washington – The coronavirus variant that has moved through the United Kingdom is now spreading “rapidly” through the US, according to a new study published on Sunday.

The more contagious strain is nearly doubling its prevalence among confirmed cases in the US every nine days.

The spread of the variant, known as B.1.1.7, has put added pressure on vaccination efforts worldwide.

The US Centres for Disease Control and Prevention (CDC) has predicted it could be the predominant strain by March.

The report, posted on the preprint server MedRxiv, is a collaboration of several researchers and scientists. It has not yet been peer-reviewed or published in a journal.

Case numbers of the new variant are still somewhat small in the US.

According to the CDC, Florida leads the country in reported cases of B.1.1.7 with 187 as of Thursday, followed by California with 145.

“Our study shows that the US is on a similar trajectory as other countries where B.1.1.7 rapidly became the dominant SARS-CoV-2 variant, requiring immediate and decisive action to minimize Covid-19 morbidity and mortality,” the report’s authors wrote.

This new strain is 35 to 45 per cent more transmissible than other strains of the virus currently in the US, the report found.

When the CDC first warned of the new variant’s presence in the US in mid-January, it was present in less than 0.5 per cent of cases. By the end of the month, this figure had jumped to 3.6%, according to the study.

The report comes as the United States’ winter virus surge passes its peak. Daily cases throughout the country have been falling for about a month, since early January. But the average daily death toll remains extremely high – some 3 000 per day – and hospitals remain under immense pressure. (BBC)

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