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As there is potential risk of infection in the COVID-19 nucleic acid tests, safety protection in the lab is extremely important. Masks, protective hats and shoes, protective clothing, the first layer of gloves, protective goggles, and a second layer of gloves are all needed.

As the growth of China's investments, exports and consumption declined significantly between 2013 and 2018, so did its GDP growth rate, mainly due to the nosedive in fixed-asset investment growth.

As the supply of blood has increased, its safety has also improved, he said, adding that transmission of serious infectious viruses, such as HIV, through blood transfusions has essentially been eliminated in China because of improved testing technologies.

As the representative inheritor of this folk art and Liujiaban's 18th inheritor, 79-year-old Liu Daorong used to worry about successor.

As the fourth largest city in the United States, Houston is not only the world energy capital, but also has the largest medical center in the world, Turner said, adding: "There is plenty of potential in building the relationship between the two, but you have to work at it."