New Covid 19 Variant, Threat To Prevailing Vaccine

The coronavirus variant discovered in South Africa can “break through” the Pfizer COVID-19 vaccine to some extent.
It is based on a real-world data study in Israel though its prevalence in the country is low and the research has not been peer-reviewed.
The South African variant, B.1.351, was found to make up about 1 per cent of all the COVID-19 cases across all the people studied.
The companies said on April 1 that their vaccine was around 91 per cent effective at preventing COVID-19.

A recent...