Log in or register
Share on LinkedInShare on LinkedIn

ARTICLE · 02 DECEMBER 2021

Countries Impose Travel Restrictions To Slow Spread Of Omicron Variant

Mayer Brown
Mayer Brown
Contributor
Mayer Brown

Mayer Brown

Mayer Brown is a leading international law firm positioned to represent the world’s major...

View firm profile
Explore more from Mayer Brown

In response to the identification of the omicron variant of the SARS-CoV-2 virus, several countries around the world have implemented new travel restrictions aimed at slowing the spread of the disease.

GlobalImmigration
María E. Ferré
María E. Ferré
John B. Corgan
John B. Corgan
Author LinkedIn connections

In response to the identification of the omicron variant of the SARS-CoV-2 virus, several countries around the world have implemented new travel restrictions aimed at slowing the spread of the disease. In the Americas region alone, several countries-including Brazil, Canada, Chile, and the United States-have announced new restrictions on the entry of foreign nationals. Other countries, such as Mexico, have insisted that such measures are of little use.

A Range of Travel Restrictions in Response to Omicron Variant

International travel restrictions adopted in response to the identification of the omicron variant widely vary from one country to the next. In the Americas region, some of the notable restrictions include:

We operate a free-to-view policy, asking only that you register in order to read all of our content. Please login or register to view the rest of this article.

Register for freeORLog in

Visit us at mayerbrown.com

Mayer Brown is a global services provider comprising associated legal practices that are separate entities, including Mayer Brown LLP (Illinois, USA), Mayer Brown International LLP (England & Wales), Mayer Brown (a Hong Kong partnership) and Tauil & Chequer Advogados (a Brazilian law partnership) and non-legal service providers, which provide consultancy services (collectively, the "Mayer Brown Practices"). The Mayer Brown Practices are established in various jurisdictions and may be a legal person or a partnership. PK Wong & Nair LLC ("PKWN") is the constituent Singapore law practice of our licensed joint law venture in Singapore, Mayer Brown PK Wong & Nair Pte. Ltd. Details of the individual Mayer Brown Practices and PKWN can be found in the Legal Notices section of our website. "Mayer Brown" and the Mayer Brown logo are the trademarks of Mayer Brown.

© Copyright 2026. The Mayer Brown Practices. All rights reserved.

This Mayer Brown article provides information and comments on legal issues and developments of interest. The foregoing is not a comprehensive treatment of the subject matter covered and is not intended to provide legal advice. Readers should seek specific legal advice before taking any action with respect to the matters discussed herein.

View source

Related Articles

Legal Intelligence Newsletters: sign up for the latest legal and regulatory news on your chosen topics

Read more about

Related Comparative Guides

See more popular content from

Article

October 2026 Visa Bulletin Advances EB-5 Filing Date For Mainland China By 4 Years

The U.S. Department of State has released the October 2026 Visa Bulletin, marking the start of fiscal year 2027 with significant changes to employment-based immigrant visa categories. How will the advancement of priority dates, particularly the substantial four-year leap for mainland China-born EB-5 investors in the Dates for Filing chart, impact eligible applicants seeking adjustment of status benefits?
GlobalImmigration
Greenberg Traurig
Greenberg Traurig
Article

DHS Continues Work Authorization For Ukrainian, Sudanese TPS Beneficiaries; I-9 Guidance Remains Unclear

The Department of Homeland Security has not issued formal determinations for Temporary Protected Status designations for Ukraine and Sudan despite the October 19, 2026 expiration date, creating uncertainty for employers navigating Form I-9 compliance and employment authorization documentation. USCIS states that affected individuals retain TPS protections and work authorization, but has not updated operational guidance to explain how employers should document continued employment eligibility or handle
United StatesImmigration
Greenberg Traurig
Greenberg Traurig
Article

DHS Proposes New OPT Fees: What It Means For F-1 Students, Schools, Employers

The Department of Homeland Security has proposed imposing fees of $70,000 for initial Optional Practical Training periods and $30,000 for subsequent periods including STEM extensions, with schools bearing the direct cost burden. The proposal aims to combat fraud and abuse within the OPT program while protecting U.S. workers, but could significantly impact international student hiring strategies and the availability of OPT talent for employers.
United StatesImmigration
Jackson Lewis P.C.
Jackson Lewis P.C.
Article

DOL Announces Enforcement Actions Against Employers In H-1B And PERM Fraud Probe

The Trump Administration has launched an unprecedented enforcement action suspending permanent labor certification processing for eight major employers, linking immigration sponsorship to layoff histories and recruitment practices. This development signals a fundamental shift in how the government evaluates employer access to H-1B and green card programs, with investigations already underway and subpoenas served.
United StatesEmployment and HR
Mayer Brown
Mayer Brown
Article

Landmark DoorDash Settlement Confirms NYC DCWP’s Aggressive Enforcement Posture

New York City's Department of Consumer and Worker Protection secured a landmark $131.5 million settlement with DoorDash, marking the largest worker settlement in the city's history and the largest involving food delivery workers nationwide. The agreement provides over $115 million in direct compensation to more than 260,000 delivery workers who were underpaid, unpaid, or paid late, while establishing a comprehensive three-year compliance monitoring program.
United StatesEmployment and HR
Mayer Brown
Mayer Brown
Article

Trump Administration Announces New Enforcement Actions Against Employers In H-1B And PERM Fraud Probes

The Trump Administration has launched an unprecedented investigation into H-1B visa and PERM labor certification programs, with the Department of Labor's Office of Inspector General issuing dozens of subpoenas and suspending employers' ability to process applications. Federal agencies are deploying new enforcement tools including whistleblower programs and criminal prosecution threats...
United StatesImmigration
Mayer Brown
Mayer Brown
Article

EU’s CBAM Downstream Extension And Anti-Circumvention Amendments: The Road To Trilogue

The European Union's Carbon Border Adjustment Mechanism is undergoing critical legislative refinement as the Commission, Council, and Parliament have each established distinct positions on extending CBAM to downstream goods and strengthening anti-circumvention measures. With trilogue negotiations now underway and the first political trilogue scheduled for October 2026, significant divergences remain between the institutions on scope, exemptions, and enforcement mechanisms that will shape the final framework
European UnionEnvironment
Mayer Brown
Mayer Brown