EPISODE · Mar 26, 2021 · 5 MIN
COVID-19 - vaccines, variants & doses
from Science in 5
If you have already had COVID-19 do you still need both doses of the vaccine? Do these vaccines protect you against infection? Do they protect us against variants? WHO's Dr Katherine O'Brien answers these questions in Science in 5 this week.
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COVID-19 - vaccines, variants & doses
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