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"The biggest technical obstacle for prevention is that we don't know where the virus-carrying birds are or where they will go," Xu said, adding that the epidemic is not likely to disappear soon.
Nationwide, as of Friday afternoon, China had confirmed 14 H7N9 cases -- six in Shanghai, four in Jiangsu, three in Zhejiang and one in Anhui, in the first known human infections of the lesser-known strain. Zhejiang has also reported two cases of deaths.
The shared vision of integration and industrialization would remain at the core of BRICS cooperation, he said.
The document also urged local governments and authorities to make sure regulations are properly carried out.
Tanzania, he said, commits itself to economic development and hopes to strengthen cooperation with China both bilaterally and under the framework of the Forum on China-Africa Cooperation in such areas as agriculture, energy, infrastructure, poverty alleviation and human resources.
来源：资阳报