Can The Second Dose Be Given Sooner Than 21 Days?
The Pfizer BioNTech COVID-19 vaccine should not be given less than 19 days after the first dose. Ideally, the interval between doses should be 21 days.
The Pfizer BioNTech COVID-19 vaccine should not be given less than 19 days after the first dose. Ideally, the interval between doses should be 21 days.
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