Studies show these two vaccines for COVID-19 can effectively reduce risk by up to 80 percent
The Covid-19 vaccine developed by Pfizer Inc with BioNTech SE and Moderna Inc reduces the risk of infection by 80 percent two weeks or more after the first injection of two shots, according to data from a US real-world study released on Monday (March 29). The risk of infection fell 90 percent within two weeks … Read more
