If the as yet unavailable COVID-19 vaccine is as effective as the typical annual flu shot, it will not guarantee you will be safe. So, what is everyone waiting for?

February 26, 2020 10:01 am Chris Crawford – According to a Feb. 21 CDC Morbidity and Mortality Weekly Report,(www.cdc.gov) the current influenza vaccine has been 45% effective overall against 2019-2020 seasonal influenza A and B viruses.

Specifically, the flu vaccine has been 50% effective against influenza B/Victoria viruses and 37% effective against influenza A(H1N1)pdm09.

https://www.aafp.org/news/health-of-the-public/20200226interimfluve.html