Frontline health workers & releasing terrorists, weighing danger vs. danger

Kolel L'horaah Ma'asis Crown Heights - Shiur 11 on halachic topics - by Rabbi Shraga Dovid Homnick, Sgan Rosh Kolel, on the questions raised when the mitzvah of saving others runs up against the risk of personal endangerment - what is required, what is permitted and what is forbidden?

https://www.youtube.com/watch?v=MxpvkLSIEfI