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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. [6] [1] Typical symptoms include fever, cough, diarrhea, and shortness of breath. [1]
On 16 April 2014, Malaysia reported its first MERS-COV related death. [34] The person was a 54-year-old man who had traveled to Jeddah, Saudi Arabia, together with pilgrimage group composed of 18 people, from 15 to 28 March 2014. He became ill by 4 April, and sought remedy at a clinic in Johor on 7 April. He was hospitalized by 9 April and died ...
An outbreak of Middle East respiratory syndrome coronavirus occurred in South Korea from May 2015 to July 2015. [5] The virus, which causes Middle East respiratory syndrome (MERS), was a newly emerged betacoronavirus that was first identified in a patient from Saudi Arabia in April 2012.
List of medical symptoms. Medical symptoms refer to the manifestations or indications of a disease or condition, perceived and complained about by the patient. [1] [2] Patients observe these symptoms and seek medical advice from healthcare professionals.
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]
Other symptoms are less common among people with COVID-19. Some people experience gastrointestinal symptoms such as loss of appetite, diarrhea, nausea or vomiting. [1] [65] A June 2020 systematic review reported a 8–12% prevalence of diarrhea, and 3–10% for nausea. [2] Less common symptoms include chills, coughing out blood, diarrhea, and rash.
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
It is difficult to distinguish between symptoms caused by infection of the HCoV-NL63 virus and those caused by other common human viruses, making diagnosis and detection complex. Reverse transcription polymerase chain reaction of samples collected through nasopharyngeal swab is the most commonly used method for detection of the virus. [ 10 ]