Health officials come out of Nana Backpackers hostel after checking documents in Vang Vieng, Laos, Friday, Nov. 22, 2024. (AP Photo/Anupam Nath)

This photo shows the exterior of Bangkok Hospital, in Bangkok, Thailand, Friday, Nov. 22, 2024. (AP Photo/Sakchai Lalit)

Health officials check documents and ask questions to Nana hostel employees in Vang Vieng, Laos, Friday, Nov. 22, 2024. (AP Photo/Anupam Nath)

Tourists ride on a motorbike near the tourism control police station in Vang Vieng, Laos, Friday, Nov. 22, 2024. (AP Photo/Anupam Nath)