The Health Ministry has not ruled out that the waning effect of vaccines over time may be the reason for Sarawak’s recent high Covid-19 numbers.<br /><br />Health Minister Khairy Jamaluddin said the ministry is also studying if it needs to implement booster shots to counter the situation.<br /><br />Read more at https://bit.ly/2Vqv5DI<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
