You’ll need to provide a negative COVID-19 test taken within 24 hours prior to your travel to Guam. You’ll also need to show proof of being fully vaccinated against COVID-19. When you arrive in Guam, you’ll have to enter mandatory quarantine for 10 days. You may apply for an exemption from quarantine if you have proof of being fully vaccinated against COVID-19, or have a negative COVID-19 test result. Check with your airline or travel agent for the latest information.