Urgent information for visa applicants regarding novel coronavirus:
Any individuals with pending consular appointments who (1) were physically present within the People’s Republic of China, excluding the Special Administrative Regions of Hong Kong and Macau, within the last 14 days, (2) are experiencing flu-like symptoms, or (3) believe they have may have been exposed to the novel coronavirus, are strongly encouraged to postpone their appointments by at least 14 days. There is no fee to change an appointment and visa application fees are valid for one year in the country where the fee was paid. Information concerning rescheduling a pending consular appointment is available at https://ais.usvisa-info.com/en-gb/niv (for nonimmigrant visas) and https://ais.usvisa-info.com/en-gb/iv (for immigrant visas).
Suspension of Entry as Immigrants and Nonimmigrants of Persons Who Pose a Risk of Transmitting 2019 Novel Coronavirus
January 31, 2020
Entry of aliens who were present in China, excluding the Special Autonomous Regions of Hong Kong and Macau, within 14 days prior to their arrival at the port of entry in the United States is suspended, per Presidential Proclamation. If you reside in China, have traveled to China recently, or intend to travel to China prior to your planned trip to the United States, we recommend you postpone your visa interview appointment until 14 days subsequent to your departure from China.
Source & Full Text
The full text of this Presidential Proclamation can be read on the White House website.