It is commonly thought that we would be dropping like flies from the plague and other epidemics if it weren’t for medicine. There is no doubt that infectious disease can be devastating. For example the 1918 Spanish bird flu pandemic which began among military recruits in Haskel, Kansas, spread throughout the U.S. killing 675,000. It then moved across the Atlantic killing millions of soldiers and on to colonial India taking 20 million lives. Contrary to popular belief, however, diseases like the flu, polio, measles, and typhus were not conquered by humans. Note in the accompanying graphs that the vaccines or chemotherapeutic agents that are credited with vanquishing the scourges were introduced after the majority of the decline in the diseases had already occurred!2 For modern medicine to claim responsibility is like a person taking credit for dropping the level of the ocean by bucketing water out as the tide was receding. Infectious diseases have a natural ebb and flow and so does the general immunity of the population. That is the reason epidemics decline, not because of human intervention.
We can’t even eradicate the mosquito, a creature which we can see and for which we can examine every life stage in detail. How are we going to eradicate microorganisms, which, if crowded side-by-side, would require numbers in the trillions to occupy the space of one mosquito? Creatures in the wild thrive in filth. Rabbits eat their stool, vultures eat rotten carcasses, and dogs will roll in the most putrid, decaying material they can find and then lick themselves clean.
Children constantly have their fingers in their mouths after wallowing on the floor, playing in the toilet, or exploring the garbage pail. We adults aren’t exactly sterile in our habits, either. Up until relatively recently, a bath once a year was considered plenty in western society. That frequency of bathing, or less, is common elsewhere in the world to this day. Billions wipe themselves with their fingers (usually with the left hand, a reason it is customary to shake with the right) and yet live in societies that rank higher on health scores than nations with bidets, perfumed toilet paper, disinfectant aerosols, and soaps.
Don’t buy the simplistic germ-based view of how we get disease. True, certain pathogenic organisms can be associated with disease, but likewise so are crows and buzzards associated with road-kill. Buzzards are not responsible for road-kill, neither are pathogenic organisms responsible for disease. They are both opportunists. They wait until prey is weakened and then they dive in.
The resistance of healthy tissue is demonstrated by the effective medical use of maggots to clean infected and necrotic tissue from wounds. These revolting little creatures will digest all the rotting tissue but leave the healthy tissue intact. In microcosm, infectious disease is like the carnivore-prey drama occurring throughout nature. Predators always choose the easiest meal: the unfit, the weak, and disabled.
We are not victims. Germs do not ‘get us.’
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