For example, tuberculosis appears to have been originally acquired through the domestication of goats7 but now infects nearly one-third of humanity.8 Meanwhile, measles9 and smallpox10 may have arisen from mutant cattle viruses. We domesticated pigs and got whooping cough, we domesticated chickens and got typhoid fever, and we domesticated ducks and got influenza.11 Leprosy may have come from water buffalo and the cold virus from horses.12 How often did wild horses have the opportunity to sneeze into humans’ faces until they were broken and bridled? Before then, the common cold was presumably
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