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"Doctors will assume that every patient is potentially infectious and protect themselves based on universal precautions," Meng said.

China still faces considerable difficulty in the last quarter, but the government is confident to achieve the full-year economic and social development goals through hard work and efforts, said Wen.

Heavy smog covered China's capital for seven consecutive days until Wednesday, when a cold front with wind dispersed it. The haze returned on Saturday, when the air quality in the city fell to dangerous levels again.

Some global energy companies have shown great interest in the country's shale gas exploration sector, including France's Total SA, which has been in talks with Sinopec for a possible drilling project in East China's Anhui province.?

Zhou Haixiang, an environmental protection volunteer, said that while the central and local governments have made great efforts to treat pollution, China's citizens expect more.