A cured coronavirus patient (front R) salutes to the medical workers after leaving the Wuchang temporary hospital in Wuhan, central China's Hubei Province, March 10, 2020. The final batch of 49 patients walked out of the Wuchang temporary hospital at 3:30 p.m. Tuesday. The last two temporary hospitals in Wuhan, the epicenter of the coronavirus outbreak in central China's Hubei Province, were shut down Tuesday, marking the closure of all 16 temporary hospitals in the city. (Xinhua/Wang Yuguo)

A cured coronavirus patient gestures to medical workers on the bus after leaving the Wuchang temporary hospital in Wuhan, central China's Hubei Province, March 10, 2020. The final batch of 49 patients walked out of the Wuchang temporary hospital at 3:30 p.m. Tuesday. The last two temporary hospitals in Wuhan, the epicenter of the coronavirus outbreak in central China's Hubei Province, were shut down Tuesday, marking the closure of all 16 temporary hospitals in the city. (Xinhua/Wang Yuguo)

A cured coronavirus patient waves goodbye to medical workers on the bus while leaving the Wuchang temporary hospital in Wuhan, central China's Hubei Province, March 10, 2020. The final batch of 49 patients walked out of the Wuchang temporary hospital at 3:30 p.m. Tuesday. The last two temporary hospitals in Wuhan, the epicenter of the coronavirus outbreak in central China's Hubei Province, were shut down Tuesday, marking the closure of all 16 temporary hospitals in the city. (Xinhua/Wang Yuguo)

Cured coronavirus patients walk towards the bus after leaving the Wuchang temporary hospital in Wuhan, central China's Hubei Province, March 10, 2020. The final batch of 49 patients walked out of the Wuchang temporary hospital at 3:30 p.m. Tuesday. The last two temporary hospitals in Wuhan, the epicenter of the coronavirus outbreak in central China's Hubei Province, were shut down Tuesday, marking the closure of all 16 temporary hospitals in the city. (Xinhua/Wang Yuguo)

Cured coronavirus patients greet people after leaving the Wuchang temporary hospital in Wuhan, central China's Hubei Province, March 10, 2020. The final batch of 49 patients walked out of the Wuchang temporary hospital at 3:30 p.m. Tuesday. The last two temporary hospitals in Wuhan, the epicenter of the coronavirus outbreak in central China's Hubei Province, were shut down Tuesday, marking the closure of all 16 temporary hospitals in the city. (Xinhua/Wang Yuguo)

Cured coronavirus patients pose for group photo with medical workers after leaving the Wuchang temporary hospital in Wuhan, central China's Hubei Province, March 10, 2020. The final batch of 49 patients walked out of the Wuchang temporary hospital at 3:30 p.m. Tuesday. The last two temporary hospitals in Wuhan, the epicenter of the coronavirus outbreak in central China's Hubei Province, were shut down Tuesday, marking the closure of all 16 temporary hospitals in the city. (Xinhua/Wang Yuguo)

Cured coronavirus patients walk towards the bus after leaving the Wuchang temporary hospital in Wuhan, central China's Hubei Province, March 10, 2020. The final batch of 49 patients walked out of the Wuchang temporary hospital at 3:30 p.m. Tuesday. The last two temporary hospitals in Wuhan, the epicenter of the coronavirus outbreak in central China's Hubei Province, were shut down Tuesday, marking the closure of all 16 temporary hospitals in the city. (Xinhua/Wang Yuguo)

A cured coronavirus patient (front R) salutes to the medical workers after leaving the Wuchang temporary hospital in Wuhan, central China's Hubei Province, March 10, 2020. The final batch of 49 patients walked out of the Wuchang temporary hospital at 3:30 p.m. Tuesday. The last two temporary hospitals in Wuhan, the epicenter of the coronavirus outbreak in central China's Hubei Province, were shut down Tuesday, marking the closure of all 16 temporary hospitals in the city. (Xinhua/Wang Yuguo)