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Epidemics of the 19th century were faced without the medical advances that made 20th-century epidemics much rarer and less lethal. Micro-organisms (viruses and bacteria) had been discovered in the 18th century, but it was not until the late 19th century that the experiments of Lazzaro Spallanzani and Louis Pasteur disproved spontaneous generation conclusively, allowing germ theory and Robert ...
Prior to medicine becoming hard science, there were many philosophical theories about how disease originated and was transmitted. Though there were a few early thinkers that described the possibility of microorganisms, it was not until the mid to late nineteenth century when several noteworthy figures made discoveries which would provide more ...
Since the mid-19th century there has been an emphasis on laboratory science and training professional medical and nursing personnel to handle public health roles, and setting up city, state and federal agencies. The 20th century saw efforts to reach out widely to convince citizens to support public health initiatives and replace old folk remedies.
The latter part of the century brought the establishment of the basic pattern of improvements in public health over the next two centuries: a social evil was identified, private philanthropists brought attention to it, and changing public opinion led to government action. [1] The 18th century saw rapid growth in voluntary hospitals in England. [2]
The third cholera pandemic (1846–1860) was the third major outbreak of cholera originating in India in the 19th century that reached far beyond its borders, which researchers at University of California, Los Angeles (UCLA) believe may have started as early as 1837 and lasted until 1863. [1]
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 ...
Cholera caused more deaths than any other epidemic disease in the 19th century, [2] and as such, researchers consider it a defining epidemic disease of the century. [ 3 ] [ 4 ] The medical community now believes cholera to be exclusively a human disease, spread through many means of travel during the time, and transmitted through warm fecal ...
Greek physician Hippocrates wrote about an illness resembling cholera about 2,400 years ago, as did Roman physician Galen roughly 500 years later in the 2nd century. [5] In the 16th century, an outbreak of acute diarrhea was reported to have occurred in the East Indies by the Dutch. [4] A similar outbreak was recorded in 1669 in China. [4]