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Continue to ChatThe South African variant could 'break through' the Pfizer vaccine, Israeli research says https://abc7.news/the-south-african-variant-could-break-through-the-pfizer-vaccine-israeli-research-says-3.html
The South African variant could 'break through' the Pfizer vaccine, Israeli research says https://abc7.news/the-south-african-variant-could-break-through-the-pfizer-vaccine-israeli-research-says-3.html