The above title may appear facetious, but it is not. It is scientific. Many of the economic practices designed to maximise profits are unnatural. In terms of ecology they are discordant and as the productive capacity of capitalism grows, so the rebound effect from nature is multiplied. The coronavirus now beginning to spread globally, despite the unashamed cover-ups in the West, is such an effect. This article attempts to describe the balancing role played by viruses in nature. 

anti-capitalist-viruses.pdf