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An outbreak of cholera in 1849 killed 678 persons, 2.9 percent of the city's population, and an 1854 outbreak killed 1,424 people. Another cholera epidemic hit the city in 1866 and 1867. [5] [6] In the late 19th century, typhoid fever mortality rate in Chicago averaged 65 per 100,000 people a year. The worst year was 1891, when the typhoid ...
The Ansei outbreak of 1858–60, for example, is believed to have killed between 100,000 and 200,000 people in Tokyo alone. [32] An outbreak of cholera in Chicago in 1854 took the lives of 5.5% of the population (about 3,500 people). [16] [33] In 1853–54, London's epidemic claimed 10,738 lives.
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 coronavirus is on everyone’s minds. As an epidemiologist, I find it interesting to hear people using technical terms – like quarantine or super spreader or reproductive number – that my ...
CHICAGO — Hundreds of ducks infected with avian influenza — H5N1 bird flu — have been found along the shores of Lake Michigan in the Chicago area, prompting warnings from area health officials.
Two children and two adults in a migrant shelter in Chicago have gotten measles. The CDC is sending in a team of experts.
In September 1937, amid a polio outbreak in Chicago, Chicago Public Schools undertook a pioneering large-scale program that provided at-home distance education to the city's elementary school students through lessons transmitted by radio broadcasts and materials published in newspapers. [1] [2]
Chicago "L" tracks in Chicago over Wabash Avenue with empty streets on March 23, 2020. On March 23, officials announced another 236 cases and three more deaths, all men from Cook County, two in their 80s and one in his 90s. [58] Monroe County announced its first case, bringing the total counties with confirmed cases to 31 of 102.