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The virus, which is carried by mosquitoes and birds, caused outbreaks of infection in North Africa and the Middle East in the 1950s and by the 1960s horses in Europe were also affected. The largest outbreak in humans occurred in 1974 in Cape Province , South Africa and 10,000 people became ill. [ 280 ]
The virus, which causes Middle East respiratory syndrome (MERS), is a novel coronavirus that was first identified in a patient from Jeddah, Saudi Arabia on 6 June 2012. Sporadic cases, small clusters, and large outbreaks have been reported in 24 countries, with over 2,600 cases of the virus and over 900 deaths, as of 2021.
The so-called "hepatoencephalitis group of murine viruses" [20] were grouped into a single species named Mouse hepatitis virus, as approved in 1971. The species was merged with Rat coronavirus (discovered in 1970 [ 23 ] ) and Puffinosis coronavirus (discovered in 1982 [ 59 ] ) as Murine coronavirus in 2009.
Viruses were expected to be small, but the range of sizes came as a surprise. Some were only a little smaller than the smallest known bacteria, and the smaller viruses were of similar sizes to complex organic molecules. [14] In 1935, Wendell Stanley examined the tobacco mosaic virus and found it was mostly made of protein. [15]
Middle East respiratory syndrome (MERS) is a viral respiratory infection caused by Middle East respiratory syndrome–related coronavirus (MERS-CoV). [1] Symptoms may range from none, to mild, to severe depending on age and risk level. [6] [1] Typical symptoms include fever, cough, diarrhea, and shortness of breath. [1]
The leprosaria of the Middle Ages had multiple benefits: They provided treatment and safe living quarters for people with leprosy who were granted admission; they eased tension amongst the healthy townspeople; and they provided for a more stable populace for the authorities to govern. [28] [42]
Betacoronavirus cameli [1] (also known as Middle East respiratory syndrome–related coronavirus abbreviated as MERS-CoV), [2] or EMC/2012 (HCoV-EMC/2012), is the virus that causes Middle East respiratory syndrome (MERS). [3] [4] It is a species of coronavirus which infects humans, bats, and camels. [5]
Middle East respiratory syndrome (MERS) Middle East respiratory syndrome–related coronavirus (MERS‑CoV) 2012 Discovered in Jeddah, Saudi Arabia. [36] Caused outbreaks in 2012, 2015, and 2018. Pigs Enteritis: Porcine coronavirus HKU15 (PorCov‑HKU15) 2014 Discovered in Hong Kong, China. [37] Humans Coronavirus disease 2019 (COVID‑19)