Would You Get Sick in the Name of Science?Human challenge trials can significantly advance vaccine development but raise ethical concerns about volunteer safety.
Trials that infected people with common colds can inform today's COVID-19 challenge trialsViral strains used in challenge trials are difficult to match circulating variants exactly due to stringent production processes.
Daily briefing: What scientists think of Netflix's 3 Body ProblemZhang Yongzhen faced challenges relocating despite his earlier contributions in sharing the SARS-CoV-2 genome.