alt Hacker News>Hard to catch a disease when it’s always the same 15 people around you, with no communication to the outside world.
There’s plenty of bacteria hanging out in the dirt, water, the animals you eat, and on your own skin. Add in the parasites, and zoonotic viruses and it’s not very hard at all to catch a disease even as a solitary hermit in the wild.
>factory farms
Didn’t need factory farms for smallpox. Many animals live in large herds, which were larger in the past. If you read accounts from the 18th and early 19th century there are many reports of squirrel migrations involving hundreds of millions of squirrels in relatively small areas.
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> There’s plenty of bacteria hanging out in the dirt, water, the animals you eat, and on your own skin. Add in the parasites, and zoonotic viruses and it’s not very hard at all to catch a disease even as a solitary hermit in the wild.
An hunter-gathers were probably a lot more robust to that than modern people.
Think about it: if what you say were that big of an issue, hunter-gathers would have been sickly and died out before getting to us.
Small pox was way after hunter gatherer times, so I‘m not sure what point you are making. Huge farms were a thing even in medieval times, with hundreds of animals.