IRS updated its FAQs for Individuals Claiming the Medical Condition Exception on May 29. 2020 as follows:
The virus that causes COVID-19 has created a global outbreak (the COVID-19 Emergency) during which some alien individuals, who are present in the United States, have fallen or may fall ill with COVID-19 or experience other medical conditions or medical problems. Some of these individuals may have intended to leave the United States but were unable to leave due to a medication condition or problem, as described in section 7701(b)(3 […]