Home Science & Space A guide to vaccine boosters. 3 weeks ago 3 weeks ago Science & Space A guide to vaccine boosters. by admin 3 weeks ago3 weeks ago 1view 0 Here’s what we know about booster shots — why Americans may need them and when they should get them. Source Like 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geeky 0 geeky love 0 love lol 0 lol omg 0 omg win 0 win Posted by admin 0 Comments Cancel replyYour email address will not be published.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.