vaccine efficacy
| Story Title | Content type | Authored by | Authored on |
|---|---|---|---|
| New study says Pfizer vaccine effectiveness drops to 47% by the sixth month | External News | Renay San Miguel |
Tuesday, November 25, 2025
| Story Title | Content type | Authored by | Authored on |
|---|---|---|---|
| New study says Pfizer vaccine effectiveness drops to 47% by the sixth month | External News | Renay San Miguel |