The US Food and Drug Administration on Tuesday (March 29) authorised a second booster dose for people age 50 and older of the two most commonly used Covid-19 vaccines, citing data showing waning immunity and the risks posed by Omicron variants of the virus.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
