The U.S. is adding more countries to its “do not travel” list, which now numbers close to 90 countries and includes some of the most popular tourist destinations in the world. The Centers for Disease Control and Prevention on Tuesday added Sweden, Malta and Moldova to its level-four COVID-19 advisory category, the highest level in its ranking of destinations for the coronavirus. Level four is for countries with a “very high” rate of COVID-19. The CDC tells U.S. residents to “avoid travel” to those destinations, and to make sure they’re fully vaccinated if they have to go. Also at level Read more