@CNN: This year’s flu shot is less than 50% effective in preventing infection, CDC says https://t.co/LI92z4IzG4 https://t.co/ovszWn30ar

February 15, 2019 / The Arbiter / CNN

@CNN: This year’s flu shot is less than 50% effective in preventing infection, CDC says https://t.co/LI92z4IzG4 https://t.co/ovszWn30ar

This year's flu shot is less than 50% effective in preventing infection, CDC says https://t.co/LI92z4IzG4 pic.twitter.com/ovszWn30ar

— CNN (@CNN) February 15, 2019

x