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As US drug giant Pfizer Inc announced Monday that its COVID-19 vaccine may be 90 percent effective, Joe Biden appealed to Americans to wear face masks to stop the spread of the novel coronavirus.

As an increasing number of people go back to work and coronavirus prevention is becoming normalized in China, the need is growing for nucleic acid testing, which is required by local authorities and employers.

As a convenient way of purchasing, online consumption filled the gap of outdoor consumption when people stay at home for quarantine due to epidemic control, making consumption move from offline to online and leading to a significant increase in online consumption in Q1.

As high as 15.9 percent of 2019 college graduates in China were employed in the education industry, making it the industry receiving the largest number of graduates last year, according to the 2020 Chinese Graduates Report by Mycos on Thursday, the National Business Daily reported.

As for the future, Yao Tandong, director of the Chinese Academy of Sciences' Qinghai-Tibet Plateau Institute, proposed at the expo that more national parks should be established to make better use of tourism resources and protect the environment.