Pfizer-BioNTech vaccine appears effective against mutation in new coronavirus variants, study suggests (Reuters, 08.01.2021)
They spent 12 years solving a puzzle. It yielded the first COVID-19 vaccines. (National Geographic, 31.12.2020)
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Pfizer-BioNTech vaccine appears effective against mutation in new coronavirus variants, study suggests (Reuters, 08.01.2021)
They spent 12 years solving a puzzle. It yielded the first COVID-19 vaccines. (National Geographic, 31.12.2020)