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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.
Since 2012, an outbreak of Middle East respiratory syndrome coronavirus has affected several countries, primarily in its namesake, the Middle East.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.
The virus MERS-CoV is a member of the beta group of coronavirus, Betacoronavirus, lineage C. MERS-CoV genomes are phylogenetically classified into two clades, clade A and B. The earliest cases were of clade A clusters, while the majority of more recent cases are of the genetically distinct clade B. [10]
Although no details are yet available, but it is generally believed that MERS-CoV originated from bat coronavirus and specifically suggested to have evolved from the common ancestor of BtCoV-HKU4 and BtCoV-HKU5, under the genus Betacoronavirus. [170] [171] Genetic estimate indicates that SARS-CoV-2 evolved from bat coronavirus in around 1948. [116]
Pandemics timeline death tolls. This is a list of the largest known epidemics and pandemics caused by an infectious disease in humans. Widespread non-communicable diseases such as cardiovascular disease and cancer are not included.
Mortgage Electronic Registration Systems, Inc. (MERS) is an American privately held corporation. [1] MERS is a separate and distinct corporation that serves as a nominee on mortgages after the turn of the century and is owned by holding company MERSCORP Holdings, Inc., which owns and operates an electronic registry known as the MERS system, which is designed to track servicing rights and ...
He had come to attend a family wedding gathering; Liu was on the staff at Sun Yat-Sen Memorial Hospital in Guangzhou and had treated SARS patients. [25] On 21 February, Liu and his wife checked into room 911 on the ninth floor of the Metropole Hotel. Despite feeling ill he visited with his family and they traveled around Hong Kong.
Severe acute respiratory syndrome (SARS) is a viral respiratory disease of zoonotic origin caused by the virus SARS-CoV-1, the first identified strain of the SARS-related coronavirus. [3] The first known cases occurred in November 2002, and the syndrome caused the 2002–2004 SARS outbreak .