- Pfizer's child-sized vaccine fails to produce immunity in younger kids; company adds third dose to trials https://edition.cnn.com/2021/12/17/health/pfizer-vaccine-children/index.html 13 comments worldnews
Linking pages
Linked pages
Related searches:
Search whole site: site:cnn.com
Search title: Pfizer's child-sized vaccine fails to produce expected immunity in younger kids; company adds third dose to trials | CNN
See how to search.