Tag Archives: Study finds Brazil

KARACHI: The United Kingdom, South Africa and Brazil variants of the coronavirus might be responsible for the current severe third wave of Covid-19 in Pakistan, says a recent study. The study, which analysed 3,501 positive samples, found that these variants were responsible for causing 54 per cent of new Covid-19 infections reported from December 2020 to February 2021 in Karachi. …

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