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Calling the partnership a "great model of innovative collaboration", Zhang Yongwei, vice-president of BGI Group and CEO of the Americas region, said more inquiries are coming in, and talks with multiple partners and governments across the US about additional lab solutions are taking place.

Candidates walk out of the No 3 Middle School in Nanchang, East China's Jiangxi province, after taking the national civil servant exam on Dec 2, 2018. [Photo/IC]

COVID-19 cases in the United States topped 13 million on Friday. So far, the country remains the worst hit by the pandemic, with the world's most cases and deaths.

California is one of a handful of states, along with New York, that have adopted such drastic "social distancing" measures, designed to limit transmission of the highly contagious respiratory virus by curtailing close contacts among people. Ohio and Maryland have ordered statewide closures of public schools.

CHANGSHA－Sept 7 is a day of great significance each year in Zhijiang Dong autonomous county, Hunan province, when people gather to remember history.