Beijing, March 14 (Xinhua) - The World Health Organization (WHO) and China's joint team has suggested that it continues to be looking for possible Early cases in a broader range in all the world.

Liang Wannian, a member of the WHO-China's joint team, made the observations at an informative meeting for European diplomats on the origin of Novelect Coronavirus on Friday.

Liang said that China beat the pressure of the prevention of domestic epidemic to work with WHO to do the research to track the origins of the Novel. Coronavirus Chinese experts and WHO experts worked together in Wuhan on January 14. Until February 10 of this year.

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

The joint study has achieved positive results and reached some findings and conclusions, thanks to the efforts of the two sides, Liang said.

First, a coronavirus with high similarity with the novel Coronavirus in the gene sequences occurs in bats and pangolines. But the similarity is still not enough for it to be a direct ancestor of the novel coronavirus. Other species could be possible natural hosts.

Secondly, the first case in Wuhan became ill on December 8, 2019. The Huanan seafood market could be a sprout room and an amplifier of the epidemic Covid-19.

Third, the virus was found in environmental tests in the Huanan seafood market after its closure, especially in its aquatic product posts. Coronavirus in the market could have been introduced through channels such as infected people, contaminated cold chain products and animal products, but still uncertain.

The Virus is "most likely" that is introduced through a kind of intermediary guest ", probably" is introduced through the transmission Direct or cold-chain food, and "extremely improbable" that is introduced through a laboratory incident, according to the joint study.

In terms of future studies, Liang said the joint study proposed four suggestions, and the first is to expand the unified database globally, including the molecule, the sequence of genes, clinic, epidemiology, animal monitoring and environmental monitoring data.

The second suggestion is to continue looking for more possible Early cases in a wider range around the world.

The third is that scientists around the world should look for animal species that can become virus guests in many countries and places, not limited to bats, and The latter is to fully understand the role of the cold chain and frozen foods in the transmission of viruses. EndItem

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