U.S. CDC warns against travel to Mexico, Brazil, Singapore over COVID-19 Posted on January 31, 2022 by Travel editor The U.S. Centers for Disease Control and Prevention (CDC) on Monday advised against travel to a dozen destinations, including Mexico, Brazil, Singapore, Ecuador, Kosovo, Philippines and Paraguay. Post navigation United Is Cutting Flights From These 6 Cities, Effective Immediately — Best LifeTravel to Mexico during Covid-19: What you need to know before you go