In this aerial photo, medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan. (Photos:Xinhua)

Medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan.

Medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan.

In this aerial photo, medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan.

In this aerial photo, medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan.

Medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan.

In this aerial photo, medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan.

Medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan.

In this aerial photo, medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan.

Medical workers transport a COVID-19 patient to the CT room at a hospital affiliated to the Tongji Hospital in Wuhan, capital of central China's Hubei Province, March 6, 2020. Medical workers have been racing against time on the frontline of the fight against the novel coronavirus epidemic in Wuhan.