Soubi Seisakukei Cheat de Isekai wo Jiyuu ni Ikite Ikimasu - Ch. 35.1

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Thanks for the TL! I'm always happy to wait for your work on this series since you've been diligent about keeping it going. Take all the time you need to deal with things! Life always comes first, y'know? Hope your holidays are happy at the very least!
 
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Japan has one of the highest rates of reported parasite infections from raw fish globally, with
an estimated 20,000 cases of anisakiasis annually
Unfortunately the study that claims this rate blatantly states that they massaged the data and took the amount of reported incidents and divided it by 6.6%, claiming that was approximately the rate of infection versus the population... when the database used was representative of the whole population already; they did discover that it was underreported by about 50% compared to the end result claimed on insurance, though. If we assume that these insurance claim values are accurate (remember this is not the US; they have a much better claim and treatment system there) and not cases of lazy doctors or fraud or whatnot, it's still higher in Japan than anywhere else in the world, sure, but it's closer to a rate of 2,000 cases annually (as rates of claims were about 900-800 in 2018-2019), which is significantly lower.
 
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Unfortunately the study that claims this rate blatantly states that they massaged the data and took the amount of reported incidents and divided it by 6.6%, claiming that was approximately the rate of infection versus the population... when the database used was representative of the whole population already; they did discover that it was underreported by about 50% compared to the end result claimed on insurance, though. If we assume that these insurance claim values are accurate (remember this is not the US; they have a much better claim and treatment system there) and not cases of lazy doctors or fraud or whatnot, it's still higher in Japan than anywhere else in the world, sure, but it's closer to a rate of 2,000 cases annually (as rates of claims were about 900-800 in 2018-2019), which is significantly lower.
They might have gone a bit overboard with their estimations, but the study is from the National Institute of Infectious Diseases in Tokyo, Japan. NIH have just archived it.
 
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They might have gone a bit overboard with their estimations, but the study is from the National Institute of Infectious Diseases in Tokyo, Japan. NIH have just archived it.
? I didn't reference NIH at all? [杉山 広] Hiromu Sugiyama (https://nrid.nii.ac.jp/ja/nrid/1000000145822/) is a good parasitologist, and really knows the parasites themselves, but that's his field. Additionally, while he was the chief in the department of parasitology at the NIID, he was a co-author, not the primary author; Primary author was [水上一弘] Mizukami Kazuhiro, a scientist in the field of gastroenterology (https://nrid.nii.ac.jp/en/nrid/1000060548139/), as can be seen here, https://wwwnc.cdc.gov/eid/articles/issue/28/10/table-of-contents which is where the original paper was printed. However, maths are not their field of study. And they just lifted wholesale the formula from an undiagnosed hepatitis carrier estimation using blood donor-ship and then adjusting it (https://onlinelibrary.wiley.com/doi/epdf/10.1111/hepr.12497 references https://onlinelibrary.wiley.com/doi/10.1111/jvh.12828 which actually shows the math) In case you can't see the articles, here's the relevant section for the formula:
DeHmeuP.png

This formula, let alone proportions or ratios of undiagnosed carriers (let alone those assumptions of infectivity!) in no way shape or form have anything to do with the reality of the infection rate of anasakis.
 

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