LONDON (REUTERS) - Pfizer's Covid-19 vaccine generates antibody responses three-and-a-half times larger in older people when a second dose is delayed to 12 weeks after the first, a British study said....
Source LinkLONDON (REUTERS) - Pfizer's Covid-19 vaccine generates antibody responses three-and-a-half times larger in older people when a second dose is delayed to 12 weeks after the first, a British study said....
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