Who’s in? Who’s out? The ethics of COVID-19 travel rules

Omicron, the latest COVID-19 variant dubbed a “variant of concern” by the World Health Organization, has prompted new travel restrictions in many nations. Although little is known about omicron, scientists have expressed concern that it may be more transmissible or vaccine-resistant than previous variants. On Nov. 26, 2021, the United States joined a growing list of nations banning travelers from countries in […]