Pfizer-BioNTech to seek FDA approval for third dose of COVID-19 vaccine | Delta Variant | World News

Pfizer-BioNTech to seek FDA approval for third dose of COVID-19 vaccine | Delta Variant | World News
Pfizer and BioNTech have announced that they would seek the FDA's approval for the third dose of their COVID-19 vaccine to boost its efficacy, as the Delta ...

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