Severe acute respiratory syndrome vs. the Middle East respiratory syndrome
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摘要Purpose of reviewThis review compares the clinical features, laboratory aspects and treatment options of severe acute respiratory syndrome (SARS) and the Middle East respiratory syndrome (MERS).Recent findingsBats are the natural reservoirs of SARS-like coronaviruses (CoVs) and are likely the reservoir of MERS coronavirus (MERS-CoV). Although a small number of camels have been found to have positive nasal swabs by real-time polymerase chain reaction and to carry antibody against MERS-CoV, the transmission route and the intermediary animal source remain uncertain amongst the sporadic primary cases. Both SARS-CoV and MERS-CoV may cause severe respiratory failure and extrapulmonary features such as diarrhoea, whereas mild or asymptomatic cases also occur in both conditions. In comparison with SARS, patients with MERS are older with male predominance, more comorbid illness and relatively lower human-to-human transmission potential. Although the viral kinetics of MERS-CoV remain unknown, nosocomial infections of MERS occur early within the first week of illness of the index case, whereas those of SARS occurred mainly in the second week of illness when the patient's upper airway viral load peaks on day 10 of illness. In-vitro data suggest that interferon (IFN) with or without ribavirin and mycophenolic acid may inhibit MERS-CoV, whereas protease inhibitors and IFN have inhibitory activity against SARS-CoV.SummaryAlthough there are some similarities in the clinical features, MERS progresses to respiratory failure much more rapidly than SARS. The higher case fatality rate of MERS is likely related to older age and comorbid illness. More studies are needed to understand MERS-CoV in order to guide public health infection control measures and treatment.
著者Hui DS, Memish ZA, Zumla A
期刊名稱Current Opinion in Pulmonary Medicine
出版年份2014
月份5
日期1
卷號20
期次3
出版社Lippincott, Williams & Wilkins
頁次233 - 241
國際標準期刊號1070-5287
電子國際標準期刊號1531-6971
語言英式英語
關鍵詞clinical features; MERS; MERS-CoV; pathogenesis; respiratory tract infections; SARS; treatment
Web of Science 學科類別Respiratory System; RESPIRATORY SYSTEM

上次更新時間 2020-27-10 於 00:59