Letting up on “maximum pressure” would also be a wise diplomatic move

(…..)  On the most elemental level of humanitarian compassion, the United States should be at the forefront of offering what help it can. That may not mean sending medical supplies like respirators, which are in short supply everywhere, but at the least it should mean clearing the way for the I.M.F. <Internationaler Währungsfond>

The United States could also offer to send experts to help with technical assistance, a measure that would have the added benefit of providing American medical officials with experience on the coronavirus epidemic at its most devastating. The Trump administration should also loosen or lift sanctions for a limited time and offer technical assistance to Tehran.

more: https://www.nytimes.com/2020/03/25/opinion/iran-sanctions-covid.html