The head of BioNTech, the German company that developed the first Covid-19 vaccine, said a new formula is likely to be needed by mid-2022 to protect against future mutations of the virus.
Read more here:: ZA Local News
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The head of BioNTech, the German company that developed the first Covid-19 vaccine, said a new formula is likely to be needed by mid-2022 to protect against future mutations of the virus.
Read more here:: ZA Local News