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South African study into virus strain raises vaccine fears Bloomberg21 January 2021 Subscribe A study by South African scientists into the new coronavirus variant driving a resurgence of cases in the country raises concern about the efficacy of vaccines and a new class of therapies. Half the blood samples taken from a small group of people to have recovered from Covid-19 didn’t have the antibodies needed to protect against the 501Y.V2 strain identified last month, according to the paper by South Africa’s National Institute for Communicable Diseases. In the other half, antibody levels were reduced and the risk of re-infection couldn’t be determined, according to the institute.

South africaUnited kingdomSouth africanPenny mooreSalim abdool karimPfizer incAfrica national institute for communicable diseasesNational instituteUnited kingdom scientistsBusiness technologyஒன்றுபட்டது கிஂக்டம்பைசா மூர்ஃபைசர் இன்க்தேசிய நிறுவனம்ஒன்றுபட்டது கிஂக்டம் விஞ்ஞானிகள்வணிக தொழில்நுட்பம்