SUBJECT
COVID-19 vaccines
Children
Vaccination
10
Pfizer-BioNTech
4
Sinovac Biotech Ltd
3
COVID-19 vaccination
2
CoronaVac (Vaccine)
2
Emergency use authorization
2
Vaccine effectiveness
2
COVID-19
1
Minors
1
Pfizer, Inc
1
Philippines. Department of Science and Technology
1
Philippines. Food and Drug Administration
1
Vaccination of children
1