Get ready for Africa to bulk far larger in history of 21st century = major change in perspective! @SoberLook… https://t.co/4srMZRlbMB
Once a vaccine is granted emergency approval, there is pressure to offer immunization to trial participants who received placebo. But
November 24, 2020
Once a vaccine is granted emergency approval, there is pressure to offer immunization to trial participants who received placebo. But if too many people cross