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While the current swab tests are used to detect active COVID-19 infection, the antibody test can determine whether someone was infected in the past, thus helping high-risk countries with population screening, case identification, contact tracing and confirming vaccine efficacy during clinical trials.

While strengthening the fight against those making use of the internet to do online crimes, including fraud, gambling, spreading pornography or stealing others' personal information, the capital's police have also increased efforts to cut off the chains and industries where the violators obtained technological services, according to a statement of the Beijing Public Security Bureau.

While lecturing on traditional Chinese medicine during a speaking tour of Thailand, Malaysia and the United States in 1999, Doctor Zhao Weijie met a Kenyan who persuaded her to open a TCM clinic in the East African country. She was told that clinics in the country were inadequate and many people, especially those suffering from chronic diseases, were in distress.

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While selecting candidates on the basis of their merits attacks the problem from the bottom up, it is equally important to identify the bad apples which are already in the barrel and throw them out.

While calling for serious reflection on the United Kingdom's recent remarks and actions in relation to Hong Kong, China's ambassador urged Britain at a news conference on Wednesday to stop interfering in China's internal affairs and to refrain from further damaging the Sino-UK relationship.

While appealing to protesters not to sabotage railways, Lam thanked MTR staff for resuming the metro services shortly after the illegal acts of vandalism.

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While membership-based hypermarkets have been successful, other overseas retailers have mostly received a cold shoulder from Chinese consumers.

While not all participants were big military fans like Liu and Li, many of them learned more about the military, their equipment, and their functions in a more real way.

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While seeking to drive a wedge between the CPC and the Chinese people, he added, the US also uses the approach to isolate China by demonizing the CPC in a bid to form a united front of Western governments to confront China.

While men still lead the pack, more crews include women. Two US women have served as space station skipper.