| Centers for Disease Control and Prevention | Centers for Disease Control and Prevention |
|---|---|
| Information about COVID-19 vaccines for people with allergies | Centers for Disease Control and Prevention |
Centers for Disease Control and Prevention.
| Centers for Disease Control and Prevention | Understanding viral vector COVID-19 vaccines |
|---|---|
| Vaccine adverse event reporting system VAERS | Centers for Disease Control and Prevention |
Pfizer-BioNTech vaccine: Fact sheet for recipients and caregivers.