A robot wearing a nurse costume carries medical documents at Mongkutwattana General Hospital in Bangkok, Thailand, February 6, 2019. A hospital struggling to look after all its patients has turned to robotics to solve the problem. REUTERS/Athit Perawongmetha

A robot wearing a nurse costume carries medical documents at Mongkutwattana General Hospital in Bangkok, Thailand, February 6, 2019. The Mongkutwattana General Hospital in Bangkok, Thailand, was bombarded with new patients but was unable to hire enough staff at the end of last year. REUTERS/Athit Perawongmetha

A hospital staffer receives medical documents from a robot wearing a nurse costume at Mongkutwattana General Hospital in Bangkok, Thailand, February 6, 2019. The machines travel now between desks delivering important paperwork and medicine to doctors. REUTERS/Athit Perawongmetha

A robot wearing a nurse costume carries medical documents at Mongkutwattana General Hospital in Bangkok, Thailand, February 6, 2019. Instead of taking on new nurses, they bought three robot nurses and kitted them out in the health facility's yellow uniform. REUTERS/Athit Perawongmetha

A robot wearing a nurse costume carries medical documents at Mongkutwattana General Hospital in Bangkok, Thailand, February 6, 2019. REUTERS/Athit Perawongmetha