Install our *FREE* WEB APP! (PWA)
Night mode toggle
Community
© 2025 YubNub Social
About • Directory • Contact Us • Developers • Privacy Policy • Terms of Use • shareasale • FB Webview Detected • Android • Apple iOS • Get Our App
Advertisement
Stop Seeing These Ads
Shawn Case
Shawn Case
3 yrs

https://world-signals.com/news..../2022/04/08/second-b
#news #study #research #biden #usa #america #pfizer #covid #covid19 #vaccine #booster

Second booster shot extends protection for just a few weeks, study shows – World-Signals News
Favicon 
world-signals.com

Second booster shot extends protection for just a few weeks, study shows – World-Signals News

A fourth shot of the Pfizer COVID-19 vaccine increased protection against viral infection for only four to seven weeks, according to a massive study published T
Latest Products See all
Stop Seeing These Ads