Martin Gurri discusses trust and political polarization in the United States.
Jessica Flanigan says that human challenge trials can solve many problems in fighting this and future pandemics.
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.
Jessica Flanigan replies to Ben Bramble on the ethics of human challenge trials.
Could deliberately infecting consenting volunteers give us better vaccines and data about COVID-19? And should we do it?