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... n passenger/tonnage ratio and mortality rate, as well as the mortality rates for various diseases, he also collected a ton of data:
The relationship between disease-specific mortality rates and sailing seasons;
The relationship between disease-specific mortality rates and departure/arrival locations;
The relationship between disease-specific times of death and the number of days at sea…
In the end, it was proven that the highest incidence of gastrointestinal infec ...
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