Travel CDC says people exposed to COVID-19 don’t have to isolate. What does that mean for travel? August 15, 2022 Eve Chen, Nathan Diller and Zach Wichter, USA TODAY Comments Off on CDC says people exposed to COVID-19 don’t have to isolate. What does that mean for travel? The CDC's looser guidelines around quarantining after exposure to COVID-19 don't change much for international travelers.