April 19, 2022
Except for children, who took BioNTech vaccines, all age groups should at least take three doses of the vaccines since the protective efficacy will reduce with time, the official stated.
Except for children, who took BioNTech vaccines, all age groups should at least take three doses of the vaccines since the protective efficacy will reduce with time, the official stated.
April 19, 2022
Except for children, who took BioNTech vaccines, all age groups should at least take three doses of the vaccines since the protective efficacy will reduce with time, the official stated.