@CNN: This year’s flu shot is less than 50% effective in preventing infection, CDC says https://t.co/3dDmraV4R5 https://t.co/EvPxmm8UFX

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/3dDmraV4R5 https://t.co/EvPxmm8UFX

This year's flu shot is less than 50% effective in preventing infection, CDC says https://t.co/3dDmraV4R5 pic.twitter.com/EvPxmm8UFX

— CNN (@CNN) February 15, 2019

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