3 things which could cause us issues and ppl getting sick.
1. Ppl who took astra within the prev 3 months between dose 1 and 2 arent that well protected
2. Pfizer takers whose efficacy wanes after 6 mths
3. New strain
3 things which could cause us issues and ppl getting sick.
1. Ppl who took astra within the prev 3 months between dose 1 and 2 arent that well protected
2. Pfizer takers whose efficacy wanes after 6 mths
3. New strain