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              Congressional                                              ______
            *Research Service
                informrng the Iegislative debate since 194




COVID-19: Current Travel Restrictions and

Quarantine Measures



Updated March 12, 2020

The United States, along with many countries, is responding to an outbreak of a respiratory disease, now
referred to as COVID-19, which is caused by a novel coronavirus first detected in mainland China's
Hubei Province in late 2019. Cases of COVID-19 have now been detected in several countries, including
the United States.
To date, the federal government has taken two key actions to deter persons with suspected COVID-19
infection from entering the country or spreading the virus to persons within the United States. First, the
federal government has restricted the entry of many non-U.S. nationals (aliens) who recently have been
physically present in mainland China, Iran, or the Schengen Area of the European Union (EU). Second,
the federal government has imposed a quarantine requirement on all persons entering the United States,
regardless of citizenship status, who have recently been to those areas. This Legal Sidebar examines the
legal authorities underlying these actions, as well as possible legal challenges to their use.

Entry   Restrictions

To deter the entry of aliens into the United States who may have been exposed to COVID-19, President
Trump has invoked his authority over alien entry under Section 212(f) of the Immigration and Nationality
Act (INA). That provision allows the President to suspend the entry of all aliens, or any class of aliens
whose entry he finds . .. would be detrimental to the interests of the United States. Under this authority,
President Trump has issued three proclamations to restrict the entry of aliens who were recently present in
countries affected by COVID-19. A Proclamation on January 31, 2020, generally suspended the entry of
any foreign national who had been in mainland China at some point within the prior 14 days. But lawful
permanent residents (LPRs), most immediate relatives of U.S. citizens and LPRs, and some other groups,
such as some airplane and ship crew members, are exempted from this restriction, as are those with prior
presence in Hong Kong or Macau. On February 29, 2020, President Trump issued a second Proclamation
that similarly suspends the entry of any foreign national who has been in Iran within the prior 14 days, in
addition to making minor amendments to the earlier Proclamation. Finally, on March 11, 2020, President
Trump issued a Proclamation imposing the same restrictions on foreign nationals who have been in the
Schengen Area (which does not include Ireland or the United Kingdom) within the prior 14 days. To be


                                                                Congressional Research Service
                                                                  https://crsreports. congress.gov
                                                                                     LSB10415

CRS Legal Sidebar
Prepared for Members and
Committees of Congress