Answer :
Answer:
About one or two weeks to be exact.
Explanation:
after the booster jab A recent trial by Pfizer suggests that from seven days onwards, a booster dose of Pfizer is extremely effective at preventing illness.
Answer:
About one or two weeks to be exact.
Explanation:
after the booster jab A recent trial by Pfizer suggests that from seven days onwards, a booster dose of Pfizer is extremely effective at preventing illness.