Bruce Aylward, an epidemiologist who led an advance team from the World Health Organization (WHO), speaks at a press briefing at WHO headquarters in Geneva, Switzerland, Feb. 25, 2020. China has changed the course of COVID-19 outbreak, Bruce Aylward said here on Tuesday, noting a rapidly escalating outbreak in China has plateaued and come down faster than previously expected. (Xinhua/Chen Junxia)
