Pfizer says its smaller dose for kids is nearly 91% effective in preventing symptomatic Covid-19

Name: Pfizer says its smaller dose for kids is nearly 91% effective in preventing symptomatic Covid-19
Uploaded: 2021-10-23T00:14:13+00:00
Duration: P167S
Description: CNN’s Alexandra Field reports.

Credit: Bleacher Report AOL

Duration: 02:47s 23 Oct 2021 0 shares 2 views