Four mega Covid-19 vaccination centres (PPVs) in the Klang Valley will begin to operate on Jan 15 to offer booster shots in a bid to increase the take-up rate for the third dose, says Health Minister Khairy Jamaluddin.Read more at https://bit.ly/3EZzZZdWATCH MORE: https://thestartv.com/c/newsSUBSCRIBE: https://cutt.ly/TheStarLIKE: https://fb.com/TheStarOnline