Getting Sick for the Sake of Advancing Medical Research

In some clinical trials, participants get infected with who knows what.

Sure, sometimes it's just common cold viruses, but other times it's stuff like typhoid, malaria, cholera, COVID, and a bunch of other things.

Obviously, it's not a fun experience - so why do people take part in these studies?

And how do we handle all this from an ethical standpoint? A big article in Undark tries to tackle these questions:

https://undark.org/2021/04/07/getting-sick-for-medical-research/