PM: home-grown vaccines must ensure safety, efficacy stockbot 0 410 2021.07.24 19:13 http://vietnamnews.vn/society/996971/pm-home-grown-vaccines-must-ensur… + 16 https://vietnamnews.vn/rss/society.rss + 0 Prime Minister Phạm Minh Chính has directed the development and production of home-grown vaccines to move faster but has said their safety and efficacy must be ensured.