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Health in China
Opinion
Dirk U. Pfeiffer

Opinion | Wild animal link to coronavirus outbreak should revolutionise public health strategies

  • Why do some people prefer to eat meat from freshly slaughtered animals? How can people be convinced to change their behaviour?
  • A ‘one health’ approach, involving not just scientists but experts from disciplines such as economics and anthropology, could help

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A child in Tsim Sha Tsui on January 24 is seen wearing a mask as protection against the coronavirus outbreak that originated Wuhan. Photo: Edmond So
Cultural differences in risk perception play an important role when it comes to the emergence of new infectious diseases associated with the animal-human interface. An example is the meat consumption behaviours in different parts of the world; in the context of the emergence of the new coronavirus in Wuhan, it is the consumption of meat derived from wild animals.
There is a video circulating on the internet showing a Chinese woman eating a cooked bat, apparently with some delight. This sight reminded me of the fact that while globalisation has brought us closer together, there is enormous variation in cultural value systems. I strongly believe that these differences are one of many reasons this planet is such a great place to live on.

However, the more connected we are via transport and trade networks and the more concentrated we are in megacities, the easier it becomes for infectious diseases to spread rapidly locally, regionally and globally. This means that we need to be much more effective at detecting outbreaks early and then be able to mount a proportionate response.

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But as important, or perhaps even more important, is a need to reduce the risk of such infectious disease emergence, because the enormous rate of human mobility severely compromises the likelihood of a timely emergency response.

A key factor that we need to understand is the role of human behaviour in the emergence of infectious disease risk and in the spread of infection. With that information, policies should then be developed that result in lasting behavioural change, where that is considered socio-economically and culturally appropriate.

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Wet markets are of particular significance in this context, and evidence from severe acute respiratory syndrome, avian flu (H5N1 and H7N9) and now 2019-nCoV is a clear indication that urgent action is required. But it is essential to realise that such scientific investigations require an interdisciplinary approach that involves medical and veterinary experts and virologists, but possibly most importantly social scientists, including economists and cultural anthropologists.
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