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Straipsnio originalas cia:
https://mobile.reuters.com/article/amp/idUSKBN2BX0JZ
"The South African variant, B.1.351, was found to make up about 1% of all the COVID-19 cases across all the people studied, according to the study by Tel Aviv University and Israel's largest healthcare provider, Clalit.
But among patients who had received two doses of the vaccine, the variant's prevalence rate was eight times higher than those unvaccinated - 5.4% versus 0.7%."
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