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Dr William Schaffner, a professor of preventive medicine and infectious diseases at Vanderbilt University Medical Center in Nashville, Tennessee, warned that no group gathering is safe. "We haven't got a vaccine yet," he told China Daily.
Doria, who is going to visit China from July 21 to July 30, said China is Brazil's most important business partner and Sao Paulo's largest commercial partner.
Dong Yingda, a composer and teacher of the Central Conservatory of Music, participated in the composition and performance of the film's music score with her team, most of whom are her students. In a long post on her Weibo microblog account, she said Zhang Yimou had commissioned her in February 2017 to create the score.
Driven by favorable policies, China's AI market is expected to account for 12 percent of the global total in 2019, with an annual growth of 64 percent, making it the world's second largest AI market, according to the white paper released by the global market intelligence firm International Data Corporation and Qbitai.com, a Chinese technology media outlet.
Duque said that "a whole-of-government and whole-of-nation approach" is critical in preventing the polio outbreak, adding that polio is a vaccine-preventable disease.
来源：资阳报