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Antibiotic-resistant bacteria, which are sometimes called superbugs, kill around 700,000 people each year, according to a 2016 report commissioned by the UK government. Authors of the study estimate that if no action is taken, by 2050 that figure could rise to 10 million, which is more than currently die from cancer each year.

Anna Ekeledo, executive director of AfriLabs, a Pan-African network of over 80 innovation centers across 27 African countries, said there are many opportunities for African countries to work with China on building e-commerce and the digital economy generally.

Another eight policies have been introduced to relax the limits for foreign service providers, including lowering the capital requirement for setting up investment companies in Shanghai and allowing the establishment of wholly foreign-owned performance agencies and travel agencies.

Another helping hand comes from the foreign trade front. As China and the United States have signed their phase-one trade and economic deal, the market uncertainties as a result of their previous disputes have gradually eased. And the world economy is expected to improve this year, which will jazz up demand for Chinese products, according to estimates by major international organizations.

Another area of great interest to Mackerras has been China's ethnic groups, which he has written about extensively. In particular, he has taken a great interest in the Uygurs in Northwest China.