Home Health Vaccine Effectiveness Against Infection May Wane, C.D.C. Studies Find 1 month ago 1 month ago Health Vaccine Effectiveness Against Infection May Wane, C.D.C. Studies Find by admin 1 month ago1 month ago 5views 0 Federal health officials said the new data justified a campaign of booster shots. But some scientists disagreed, saying not every American needs another dose. Source HealthLike it? Share with your friends! 0 What's Your Reaction? hate 0 hate confused 0 confused fail 0 fail fun 0 fun geeky 0 geeky love 0 love lol 0 lol omg 0 omg win 0 win Posted by admin 0 Comments Cancel replyYour email address will not be published. Required fields are marked * Save my name, email, and website in this browser for the next time I comment.