From the US Embassy in Jerusalem:
As of March 16, 2020, the United States Embassy in Jerusalem and the Embassy Branch Office in Tel Aviv are cancelling routine immigrant and nonimmigrant visa appointments. We will resume routine visa services as soon as possible but are unable to provide a specific date at this time. The MRV fee is valid and may be used for a visa application in the country where it was purchased within one year of the date of payment. If you have an urgent matter and need to travel immediately, please follow the guidance provided at the appointment website to request an emergency nonimmigrant visa appointment. Immigrant visa applicants with an urgent need to travel should contact [email protected].