Covid: ‘Encouraging’ antibody boost after Pfizer and AZ vaccines
Pfizer and AZ vaccines had reassuring effects on the body’s defences in over-80s after one dose. …
Dr Helen Parry, clinical lecturer at the University of Birmingham, and first author on the study, said understanding the underlying immune responses generated by the vaccines was crucial – particularly in older people and with a 12-week gap between first and second doses.
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