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[21] [22] According to the World Health Organization, approximately 10 million new TB infections occur every year, and 1.5 million people die from it each year – making it the world's top infectious killer (before COVID-19 pandemic). [21] However, there is a lack of sources which describe major TB epidemics with definite time spans and death ...
An emerging infectious disease (EID) is an infectious disease whose incidence has increased recently (in the past 20 years), and could increase in the near future. [2] [3] The minority that are capable of developing efficient transmission between humans can become major public and global concerns as potential causes of epidemics or pandemics. [4]
The human virome in five body habitats. (A) All of the viruses detected in the five body habitats . Each virus is represented by a colored bar and labeled on the y-axis on the right side. The relative height of the bar reflects the percentage of subjects sampled at each body site in whom the virus was detected.
Since the Middle Ages, influenza pandemics have been recorded every 10 to 30 years as the virus mutates to evade immunity. [127] [128] Influenza is an endemic disease, with a fairly constant number of cases which vary seasonally and can, to a certain extent, be predicted. [129] In a typical year, 5–15% of the population contracts influenza.
Marburg virus disease: 1976: Ebola virus disease: Peter Piot: 1977: Legionnaires' disease: Joseph McDade 1983: HIV: Luc Montagnier and Robert Gallo: 1986: Fatal insomnia: Elio Lugaresi 2019: SARS-CoV-2
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Although many viruses of vertebrates are restricted to one species, influenza virus is an exception. [191] The last pandemic of the 19th century occurred in 1899 and resulted in the deaths of 250,000 people in Europe. The virus, which originated in Russia or Asia, was the first to be rapidly spread by people on trains and steamships. [192]
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