More contagious virus strain dominating in US, says study – Hindustan Times

A study to analyse the structure of the coronavirus from two waves of infections in a major city found that a more contagious strain dominates recent samples, researchers from Houston Methodist Hospital said on Wednesday.
They studied over 5,000 genomes from viruses found in the earliest phase of the pandemic in Houston and from an ongoing, more recent wave of infections.
The study, which has not yet been reviewed by outside experts, found that nearly all strains in the second wave had a muta…

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