U.S. Department of State announced that they encourage medical professionals with an approved U.S. non-immigrant or immigrant visa petition (I-129, I-140, or similar) or a certificate of eligibility in an approved exchange visitor program (DS-2019), particularly those working to treat or mitigate the effects of COVID-19, to review the website of their nearest embassy or consulate for procedures to request a visa appointment.
For further details, please visit the website: https://travel.state.gov/content/travel/en/News/visas-news/update-on-h-and-j-visas-for-medical-professionals.html