The U.S. Secretary of State, in consultation with the U.S. Department of Homeland Security (DHS), has authorized consular officers to waive in-person interviews for certain nonimmigrant visa applicants through the end of 2022. Nonimmigrant visa applicants with previous petitions approved by U.S. Citizenship and Immigration Services (USCIS) may be eligible for this interview waiver.
For more: https://www.wbny.com/interviews-waived-for-nonimmigrant-visas