ANALYSIS: How the coronavirus started in China — and why that's actually a saving grace
The food production systems needed to support this transformation are highly complex and on an industrial scale. At the same time, there remains a strong cultural preference for live animal marketing and the consumption of a wide variety of different animal species.
What can be done to reduce the risk?We still have to grow what we eat, largely using land, and while farmed animals are the source of many human pathogens, an increasing number come from wildlife . One of China's top health experts warns potential"super-spreaders" could worsen the impact of the new coronavirus strain, which can now be passed between humans. There is no guarantee that switching away from animal diets will solve the problem, because the changes needed in the food system could have unintended impacts on other parts of our ecosystem, such as natural forests and their wildlife. There are also extremely strong cultural preferences around diet, so it may be the hardest change to make.. A single person was responsible for moving SARS from China to a single hotel floor in Hong Kong and, from there to multiple countries. A super-spreader is a bit like a large ember in a bushfire. If an ember falls in a place with no fuel there is no fire. If it falls where there is an unlimited amount of fuel and the conditions are right, we get a wildfire. The ideal fuel conditions for a new virus are lots of humans living and interacting close together — like a large city.
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