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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.
Unlike some diseases, Thiamine deficiency or beriberi, is a treatable, preventable disease caused by the deficiency of vitamin B 1. [29] First seen in 1642 by the Dutch physician Jacobus Bontius, it was named for the Sinhalese word meaning weakness-weakness. [29] Beriberi is seen in two forms: wet and dry.
Statistical diagram created by Florence Nightingale detailing cause of death in the British army in The Crimean War. Though Nightingale first believed bad air was the cause of disease, she used the term "germ" in her contribution to Dr. Richard Quain's medical dictionary which was published in 1883: [17] [18]
Widespread non-communicable diseases such as cardiovascular disease and cancer are not included. 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 ...
While working on plantations in the Southern United States, many slaves faced serious health problems. Improper nutrition, the unsanitary living conditions, and excessive labor made them more susceptible to diseases than their owners; the death rates among the slaves were significantly higher due to diseases.
Disease was another leading cause of death, with rats and fleas being the common carriers of disease, specifically plagues, during this era. [9] The Black Death was a plague that affected much of the world, originating in Asia and spreading to Europe through diseased fleas and rats. This epidemic has been reported to have been the cause of ...
The American era of limited infectious disease ended with the arrival of Europeans in the Americas and the Columbian exchange of microorganisms, including those that cause human diseases. European infections and epidemics had major effects on Native American life in the colonial period and nineteenth century, especially.
Diseases and epidemics of the 19th century; 0–9. 1837 Great Plains smallpox epidemic; 1853 Copenhagen cholera outbreak; 1853 Stockholm cholera outbreak;