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 over to vaccine group, companies might not have enough data to establish long-term outcomes,
nature.com/articles/d4158… https://t.co/UmW33iCr3l
RT @BJMbraun: How to be an effective political economist: Laser focus on the neuralgic points of the state-market nexus, follow
RT @BJMbraun: How to be an effective political economist: Laser focus on the neuralgic points of the state-market nexus, follow the money,…