Ministry asked to secure more AZ for Thais published : 15 Jul 2021 at 09:35 Medical workers prepare Covid-19 vaccinations in Nonthaburi province on Wednesday. (Photo: Chanat Katanyu) The government has been urged to secure more supplies of the AstraZeneca Covid-19 vaccine made by Siam Bioscence Co, the local manufacturer of the vaccine, for Thais while the country is facing a grave outbreak crisis. The National Vaccine Committee (NVC) and the Department of Disease Control (DDC) were asked to negotiate with the AstraZeneca maker to seek a higher proportion of the vaccine for Thailand, said Dr Nakorn Premsri, director of the National Vaccine Institute.