[Preprint] Results from the first Covid-19 human challenge study (deliberately infecting individuals in a controlled environment).

Safety, tolerability and viral kinetics during SARS-CoV-2 human challenge – Research Square

Commentaries:

Scientists deliberately gave people COVID — here’s what they learnt – Nature

Expert reaction to a preprint looking at the course of SARS-CoV-2 infection in a COVID-19 human challenge study – Science Media Centre

First COVID-19 human challenge study yields infection clues – CIDRAP

Exposure to one nasal droplet enough for Covid infection – study – The Guardian

Related:

Perspective | SARS-CoV-2 human challenge studies — establishing the model during an evolving pandemic.

World’s first coronavirus “Human Challenge” study receives ethics approval in the UK  (several texts on the subject) Are SARS-CoV-2 Human Challenge Trials Ethical? – “A clinical trial is underway in the UK in which young, healthy participants are exposed deliberately to SARS-CoV-2 to assess the viral inoculum needed to produce an infection and to test vaccine efficacy”.