Swamps and malaria.
Malaria is a protist
There isn't now however there was during the 1800s between Kingston and Ottawa it is believed to have been imported inadvertantly by British army engineers.
The pathognomonic sign of malaria is stepladder like fever with chills. Some symptoms of malaria are chills, headache, fatigue and muscle-aches.
the food in the 1800s are rashened the food in the 1800s are rashened
malaria is a parasitic disease that involves high fevers, shaking chills, flu-like symptoms, and anemia.(https://www.Google.com/health/ref/Malaria)
what did a minor factory look like in the 1800s
king tuts died of malaria so if you know someone with malaria thats how he died.
you do not need malaria tablets travel to Sri Lanka unless there is malaria there and if there is malaria there you just take what you think you will need the most like a mosquito net and some malaria tablets and make sure you go to your GP and check on yourself when you are back.
what is it like in the 1840's
Malaria has been infecting humans for at least 50,000 years, and may have existed as a pathogen in other species for even longer. For this reason it is impossible to know where the first cases of malaria appeared. While the earliest references to a malaria-like illness come from China, that is by no means an indication that malaria originated in Asia.
The invention of the mosquito net has been traced back to antiquity and the time of Cleopatra. It was only in the 1800s that people realized the correlation between malaria and mosquito bites.