The daily average number of cases has fallen by 36% over the past three months, according to a Reuters analysis, but the virus is still infecting 50 million people worldwide every 90 days due to the highly transmissible Delta variant.

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By Reuters

Pfizer and partner BioNTech  plan to ask U.S. and European regulators within weeks to authorize a booster dose of its COVID-19 vaccine, based on evidence of greater risk of infection six months after inoculation and the spread of the highly contagious Delta variant.

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Moderna's Covid-19 vaccine shows promise against the Delta variant of the coronavirus which was first identified in India.

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World

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Society