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Around 170 volunteers out of 43,000 people in the trials contracted COVID-19 but 162 were given a placebo, meaning the vaccine was 95 percent effective, the company said. Of the 10 people who had severe COVID-19, one had received the vaccine.
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Around 70 percent of the city's groundwater is contaminated by waste and chemicals from leaky household septic tanks and industrial plants that can cause diarrhea or other illnesses if the water is not boiled or purified properly.
As Britain faces the uncertainties of Brexit, the country needs to remain open and reach out to partners, especially China, he said.
Armed police rescue villagers besieged by floods in Quanzhou county of Guilin, Guangxi Zhuang autonomous region, on Sunday. WANG ZICHUANG/FOR CHINA DAILY
