
Professor Tulio De Oliveira explains which COVID-19 strains are unaffected by the vaccine
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Our favourite Prof is back with some more important stats and facts about the COVID-19 virus and the vaccines that have been rolling out this year. How does the virus and it's various variants really react to the vaccines that been created? How do scientists calculate numbers and identify variants in countries like Tanzania and Brazil where they don’t submit statistics? He answer all these questions and more?




