The U.S. Centers for Disease Control and Prevention (CDC) uses Travel Health Notices (THN) to “inform travelers and clinicians about current health issues that impact travelers’ health, like disease outbreaks, special events or gatherings, and natural disasters, in destinations around the world.”

What is the CDC COVID-19 Travel Health Notice System?
What is the CDC Travel Health Notice System?
Why doesn't the CDC recommend the COVID-19 vaccine on their Country Information Page?
How are Travel Health Notices used by universities?
What other sources might a university, college, or provider organization consult to assess in country COVID-19 risk?