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The disease killed an estimated 400,000 Europeans annually during the 19th century and one-third of all the blindness of that time was caused by smallpox. 20 to 60% of all the people that were infected died and 80% of all the children with the infection also died. It caused also many deaths in the 20th century, over 300–500 million.
This is a list of notable disease outbreaks in the United States: ... 1800s. 1837 Great Plains smallpox epidemic; 1849-1850 Tennessee cholera epidemic;
An epidemic is the rapid spread of disease to a large number of people in a given population within a short period of time; in meningococcal infections, an attack rate in excess of 15 cases per 100,000 people for two consecutive weeks is considered an epidemic. [1]
The disease during the first epidemic was described as being more "catarrhal" (i.e., coldlike) in nature, while during the second epidemic it was more "inflammatory". [13] [31] Pleurisy and "peripneumony" (pneumonia) were more common complications; [4] [69] inflammation of the heart, pericardium, and diaphragm were also observed in some victims ...
Yellow fever was a disease that caused thousands of deaths, and many people to flee the afflicted areas. [12] It begins with a headache, backache, and fever making the patient extremely sick from the start, [ 13 ] and gets its name from the yellow color of the skin, which develops in the third day of the illness.
Considered today to be abuse based on pseudo-science, two alleged mental illnesses of negros were described in scientific literature: drapetomania, the mental illness that made slaves desire to run away, and dysaesthesia aethiopica, laziness or "rascality". Both were treated with whippings.
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This is a list of foodborne illness outbreaks by death toll, caused by infectious disease, heavy metals, chemical contamination, or from natural toxins, such as those found in poisonous mushrooms. Before modern microbiology, foodbourne illness was not understood, and, from the mid 1800s to early-mid 1900s, was perceived as ptomaine poisoning ...