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Typhoid fever, also known simply as typhoid, is a disease caused by Salmonella enterica serotype Typhi bacteria, also called Salmonella Typhi. [2] [3] Symptoms vary from mild to severe, and usually begin six to 30 days after exposure. [4] [5] Often there is a gradual onset of a high fever over several days. [4]
Mary Mallon was born in 1869 in Cookstown, County Tyrone, Ireland.She may have been born with typhoid fever as her mother was infected during pregnancy. [5] [6] [7] In 1884 at the age of 15, she emigrated from Ireland to the United States.
During the American Civil War, 81,360 Union soldiers died of typhoid or dysentery, far more than died of battle wounds. [25] In the late 19th century, the typhoid fever mortality rate in Chicago averaged 65 per 100,000 people a year. The worst year was 1891, when the typhoid death rate was 174 per 100,000 people. [26]
Typhoid fever is an example of continuous fever and it shows a characteristic step-ladder pattern, a step-wise increase in temperature with a high plateau. [1]
The medical officer stopped keeping a record of the deaths after early October 1897 so more people may have died. The epidemic was a ‘...turning point in public health...’; during the epidemic trials of water sterilisation using chlorination and the first immunisations with typhoid vaccine were carried out in Maidstone. [3]
At birth, a baby blue whale is already 25 ft long (the size of an adult killer whale) and can drink up to 150 gallons (568 liters) of milk a day and gain as much as 200 lbs (90 kg) per day in its ...
Typhoid fever is caused by the bacterium Salmonella enterica Serovar Typhi. [ 37 ] In Canada alone, the typhus epidemic of 1847 killed more than 20,000 people from 1847 to 1848, mainly Irish immigrants in fever sheds and other forms of quarantine, who had contracted the disease aboard the crowded coffin ships in fleeing the Great Irish Famine .
He was described as 'Major, US Army', in the entry for 1907 in the New York City Department of Health and was identified by Centennial Newspaper for the discovery of the carrier, Typhoid Mary. [3] From 1923–to 1928 he was the managing director of the American Society for the Control of Cancer, which later changed its name to the American ...