Effective Vaccines
As of 15 January 2021, the CDC authorises and recommends two COVID vaccines: The Pfizer-BioNTech vaccine, and Moderna’s vaccine. During clinical trials, these two vaccines were 95% and 94.1% effective at preventing COVID-19 illness in patients who had no evidence of having been infected.
(http://bit.ly/3p5qO2i, http://bit.ly/3qETj7b)
Alison Campbell