Nature Portfolio,
Researchers deliberately infect participants with SARS-CoV-2 in ‘challenge’ trials, but high levels of immunity complicate…
Researchers deliberately infect participants with SARS-CoV-2 in ‘challenge’ trials, but high levels of immunity complicate…
A ‘challenge trial’ early in the COVID-19 pandemic that aimed to infect 35 volunteers on purpose to study treatments ended…
Researchers deliberately infect participants with SARS-CoV-2 in ‘challenge’ trials — but high levels of immunity complicate…