The panic triggered by the discovery of the new South African variant led governments around the world to react instinctively, many of them tightening travel restrictions. 

While the Omicron variant has besieged the entire country, it is especially worrisome in Puerto Rico, a U.S. territory already overwhelmed by other problems.

With the Omicron variant of the COVID-19 virus running rampant worldwide, the U.S. Centers for Disease Control and Prevention (CDC) added three more European countries to its highest risk of travel advisories.

The world's biggest commercial airplane manufacturers are telling the Biden Administration to delay the rollout of 5G cell service next month.

Expo 2020 Dubai has required mandatory vaccination and boosters of all Expo and International Participant staff, volunteers, contractors and service providers.

The US Centers for Disease Control and Prevention added eight destinations to its highest-risk category for travel on Monday.