on (#5MR79)
This report describes a lower rate of positive COVID-19 test results among vaccinated staff in the School District of Philadelphia compared with unvaccinated staff.
| Link | https://www.cdc.gov/mmwr/index.html |
| Feed | http://www2c.cdc.gov/podcasts/createrss.asp?t=r&c=5 |
| Updated | 2025-10-26 11:32 |