3 ms·
They are still only ~50% effective. https://www.cdc.gov/flu/vaccines-work/vaccineeffect.htm https://www.cdc.gov/flu/vaccines-work/vaccineeffect.htm
by collyw 6y ago
They are still only ~50% effective.
https://www.cdc.gov/flu/vaccines-work/vaccineeffect.htm https://www.cdc.gov/flu/vaccines-work/vaccineeffect.htm
- ryanwaggoner 6y agoThere's a vast gulf between "~50% effective" and "very dubious effectiveness"