The United States on Wednesday (Sept 22) promised to buy 500 million more Covid-19 vaccine doses to donate to other countries as it comes under increasing pressure to share its supply with the rest of the world.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
