4 ms·
It might not be clear yet how long booster shots offer additional protection. If it is only a few month or a year, expect the validity to be based on that. If i
by _Microft 5y ago
It might not be clear yet how long booster shots offer additional protection. If it is only a few month or a year, expect the validity to be based on that. If it turns out that immunity does not really wane after a booster shot then maybe they are not getting any validity period at all or a rather long one instead.
- CodesInChaos 5y agoPlus there is the possibility that immunity remains strong against existing variants, but that a newly emerged variant needs a new vaccine.