Jessica Flanigan argues that human challenge trials can work well under real-world conditions.
Ben Bramble argues that challenge trials conflict with the virtuous, well-lived life.
Jessica Flanigan replies to Ben Bramble on the ethics of human challenge trials.
Charles Weijer dissents sharply on the question of human challenge trials for COVID-19.
Ben Bramble argues that challenge trials would be less of a help against COVID-19 than we may suspect.