As of March 1, 2026, the vast majority of international destinations no longer require a negative COVID-19 test for entry, as the world has transitioned into a "post-pandemic" travel era. However, a small handful of countries—primarily in parts of East Asia or those experiencing localized surges—may still mandate a "Health Declaration" or proof of vaccination. While the "universal" requirement for PCR testing has vanished, some individual airlines or specific cruise lines still reserve the right to request a rapid antigen test if a passenger exhibits clear symptoms during check-in. It is also important to note that many countries now require Digital Health Passports or an ETA (Electronic Travel Authorization) that asks for your vaccination status as a formality. Because rules can shift with 24 hours' notice due to new variants, the "pro" move in 2026 is to check the IATA Travel Centre map or your airline’s "Travel Requirements" page exactly 48 hours before your flight. For most travelers, the days of mandatory pre-flight swabs are a thing of the past, replaced by standard health screenings like thermal imaging at major hubs.