What happens when travelers test positive for Covid on vacation?

PCR and antigen tests have become part and parcel of traveling, with many countries requiring visitors to produce negative Covid test results on entry. But what do you do if you test positive while you're away?

(CNN) — There's no denying that going on vacation has become a lot more complicated due to Covid-19.

Well over a year into the pandemic, border restrictions are still constantly changing as new variants emerge, while PCR and antigen tests have become part and parcel of traveling.