Like several other diseases. Like malaria, which used to be common in Finland, but these days most people here think it's something that only exists in the tropical and subtropical countries. What probably made it disappear here was better buildings, the mosquitoes that spread it could easily live winters in the old log houses, often at least somewhat damp, here. When the whole household lived close to each other, often even sharing part of the same building with their livestock, those mosquitoes could spread the parasite to everybody in the building while eating both from the people already infected with it and those who didn't have it yet.

Then the country got richer, most people were able to build better houses and warm them better so the insides got dryer, the animals were moved to other buildings, people even started to be able to afford separate rooms for different family members and so on, and the disease started to get rarer even before the first med for it, quinine, started to get used here.

And as said, now most people here have no idea that the disease once existed as a problem in this country.

Like several other diseases. Like malaria, which used to be common in Finland, but these days most people here think it's something that only exists in the tropical and subtropical countries. What probably made it disappear here was better buildings, the mosquitoes that spread it could easily live winters in the old log houses, often at least somewhat damp, here. When the whole household lived close to each other, often even sharing part of the same building with their livestock, those mosquitoes could spread the parasite to everybody in the building while eating both from the people already infected with it and those who didn't have it yet.

Then the country got richer, most people were able to build better houses and warm them better so the insides got dryer, the animals were moved to other buildings, people even started to be able to afford separate rooms for different family members and so on, and the disease started to get rarer even before the first med for it, quinine, started to get used here.

And as said, now most people here have no idea that the disease ever existed as a problem in this country.

Like several other diseases. Like malaria, which used to be common in Finland, but these days most people here just think it's something that only exists in the tropical and subtropical countries. What probably made it disappear here was better buildings, the mosquitoes that spread it could easily live winters in the old log houses, often at least somewhat damp, here. When the whole household lived close to each other, often even sharing part of the same building with their livestock, those mosquitoes could spread the parasite to everybody in the building while eating both from the people already infected with it and those who didn't have it yet.

Then the country got richer, most people were able to build better houses and warm them better so the insides got dryer, the animals were moved to other buildings, people even started to be able to afford separate rooms for different family members and so on, and the disease started to get rarer even before the first med for it, quinine, started to get used here.

And as said, now most people here have no idea that the disease ever existed as a problem in this country.