Việt Nam to purchase 31 million Pfizer vaccine doses stockbot 0 462 2021.05.19 18:47 http://vietnamnews.vn/society/952066/viet-nam-to-purchase-31-million-p… + 10 https://vietnamnews.vn/rss/society.rss + 5 Việt Nam is expected to receive 31 million COVID-19 vaccine doses developed by US-based firm Pfizer in the second half of 2021, said the Ministry of Health (MoH).