COVID-19 booster shot may be effective against omicron BA.2 variant, study shows - 1breakingnews.com
2022-04-08 55 Dailymotion
The study found that after a booster vaccination, levels of antibodies in the blood that could bind to and neutralize a new omicron variant increased substantially.<br /><br />VIEW MORE : https://bit.ly/1breakingnews<br />