Photo taken on Jan. 30, 2020 shows the headquarters of the World Health Organization (WHO) in Geneva, Switzerland. (Xinhua/Chen Junxia)

BEIJING, March 15  -- The World Health Organization (WHO) and China joint team has suggested continuing to look for possible early cases in a wider range around the globe.

Liang Wannian, a member of the WHO-China joint team, made the remarks at a briefing to European diplomats on the origin of the novel coronavirus on Friday.

Liang said that China overcame the pressure of domestic epidemic prevention to work with the WHO to do the research of tracing the origins of the novel coronavirus. Chinese experts and the WHO experts worked together in Wuhan from Jan. 14. to Feb. 10 this year.

They visited nine places, including Wuhan Jinyintan Hospital, Huanan seafood market, and the Wuhan Institute of Virology under the Chinese Academy of Sciences. The team also visited and talked with local medical workers, lab researchers, scientists, market managers, community workers, recovered patients, and families of medical workers losing their lives in the epidemic, he added.