A Peruvian tourist in transit was barred from leaving Juan Santamaría International Airport upon arriving in Costa Rica because he lacked a yellow fever vaccination. Minister of Health Mary Munive clarified the policy amid growing confusion. “He planned a day visit to see a friend before flying onward. Transit passengers staying in the airport are exempt, but leaving—for sightseeing or otherwise—requires the vaccine. He was told, ‘Comply or stay,’ and chose to stay,” Munive said. The rule aims to protect Costa Rica, a tropical nation free of yellow fever, from imported cases. Costa Rica Videos In a similar case, a...