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"Further studies into microbial pathogens such as bacteria and viruses and immunological antibodies are urgently required, to help validate saliva for future routine specimen collections, in this and future pandemics," Han said.

"Fuman performs well in school and is currently preparing for his final exam," Wang said. "His classmates are all treating him as well as usual."

"For at least the next 20 years, plug-in hybrids will be crucial to cutting gasoline consumption. They cannot be deemed as temporary makeshifts between gasoline cars and electric cars; they are an important pillar of new energy vehicles," said Cui.

"Foreign investment banks are typically more experienced with the registration-based IPO system than domestic players," Xue said, adding that participation by foreign investment banks could lead to a smoother implementation of the reform plan.

"Governments used to rely on whistleblowers for clues, but with the help of big data they can take the initiative on more cases," he said.