The study in question if anyone would like to read: https://ww | Nathan Kyle

The study in question if anyone would like to read: https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.who.int/bulletin/online_first/BLT.20.265892.pdf&ved=2ahUKEwjV2f_q6IbxAhV7yzgGHYxRC_QQFjAQegQIKRAC&usg=AOvVaw1pZ_dOmjr1azaQt-OTLxc9&cshid=1623113660870