November 27, 2021

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Britons: New SARS-CoV-2 subtype is more insidious

Britons: New SARS-CoV-2 subtype is more insidious

The delta subtype known as AY.4.2 is responsible for 12 percent of infections detected in the UK. Imperial College London researchers report that it is less symptomatic but easier to transmit.

A study by scientists from College London and published on Thursday showed that a third of people infected with the AY.4.2 variant showed “classic” symptoms of COVID-19 (such as coughing, fatigue, fever, loss of taste or smell) compared to nearly half of those infected so far. Sub-dominant AY.4. The researchers note that two-thirds of AY.4.2 carriers have some symptoms of the disease, while a previous strain caused at least one symptom in three-quarters of those infected.

Corona Virus. Sub-alternative “easier to send”

Experts say that people without symptoms may be less socially isolated, causing the infection to spread more quickly. People with mild symptoms are more likely to transmit the virus more easily when they cough. At the same time, scientists describe the probability of their health deteriorating as a result of the activation of other dangerous symptoms of the disease as low.

said the epidemiologist, Professor. Paul Elliot. “But it seems easier to send,” he added. These results are the result of the React-1 study conducted between October 19 and November 5 this year, which simultaneously showed that booster doses of the COVID-19 vaccine reduced the risk of infection in adults by two-thirds.

Main image source: PAP / EPA / ANDY RAIN

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