Updated on January 19, 2021 Please check our ALERTS & MESSAGES for the latest COVID-19, health, and security messages. Enroll in Smart Traveler Enrollment Program (STEP) to receive security updates. Global Health Advisory– Level 3: RECONSIDER TRAVEL ***  Effective January 26, all airline passengers to the United States ages two years and older must provide a negative COVID-19 viral test taken within three …