Chinese COVID-19 medical team members inspect the railway station in Phnom Penh, Cambodia, March 29, 2020. (Xinhua)

Chinese COVID-19 medical team members inspect a quarantine zone in Phnom Penh, Cambodia, April 1, 2020. (Xinhua)

Chinese COVID-19 medical team members inspect the airport in Phnom Penh, Cambodia, March 29, 2020. (Xinhua)

Chinese COVID-19 medical team members inspect the railway station in Phnom Penh, Cambodia, March 29, 2020. (Xinhua)

Chinese COVID-19 medical team members inspect the airport in Phnom Penh, Cambodia, March 29, 2020. (Xinhua)