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efficacy of the vaccine

Fauci says some “breakthrough” infections are “unavoidable” after vaccinations

Fauci says some “breakthrough” infections are “unavoidable” after vaccinations

COVID strain in South Africa shows tremendous resistance to antibodies from the original virus

COVID strain in South Africa shows tremendous resistance to antibodies from the original virus

‘Big question mark’: British scientist on the effectiveness of the Covid-19 vaccine against the South African variant – world news

‘Big question mark’: British scientist on the effectiveness of the Covid-19 vaccine against the South African variant – world news

Doctors explain effectiveness of COVID-19 vaccine after nurse performs positive tests days after taking first dose

Doctors explain effectiveness of COVID-19 vaccine after nurse performs positive tests days after taking first dose

Doctors explain effectiveness of COVID-19 vaccine after nurse performs positive tests days after taking first dose

Doctors explain effectiveness of COVID-19 vaccine after nurse performs positive tests days after taking first dose

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