Ola Chaic On Wednesday, Feb. 24, an analysis concerning the Johnson & Johnson (J&J) single-dose COVID-19 vaccine revealed that it offers strong protection against more severe forms of the virus. The United States Food and Drug Administration (FDA) scientists have confirmed that the vaccine is safe, with an overall 66% efficacy rate in preventing moderate-to-severe COVID-19 cases, and is 85% effective against the most serious forms. However, the analysis is only one step in th
