During the current COVID-19 pandemic, the concept of herd immunity has become a topic of much debate. This Comment examines the factors that determine it, discusses how far we have come and considers what it will take to reach herd immunity safely.
China's Research-misconduct Rules Target 'paper Mills' That Churn out Fake Studies
China’s science ministry is set to introduce its most comprehensive rules so far for dealing with research misconduct. The measures, which come into effect next month, outline what constitute violations and appropriate punishments. But critics say that enforcement will continue to be a problem.