For many in Europe, where there had been a travel ban since early in the pandemic, the loosening of U.S. travel restrictions for those who have been vaccinated with shots approved by the WHO has come with elation … [But for others] traveling back and forth throughout the pandemic from Latin America, where there was no travel ban, the shift in policy the U.S. announced this week left them out. Many countries in the region have bought millions of doses of Russia’s Sputnik V vaccine and others that still haven’t been approved by the WHO.