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any of a group (family Coronaviridae, subfamily Coronavirinae) of enveloped single-stranded RNA viruses that have a crownlike or sunlike appearance under an electron microscope due to the presence of spikes on their surface. Coronaviruses infect mammals (including humans) and birds, mainly in the upper respiratory and gastrointestinal tracts. Most only infect a single species or closely related species; a number of coronaviruses can have significant effects on farm animals, especially poultry.

In humans the most prevalent coronaviruses are those that are responsible for varieties of the common coldcold, common,
acute viral infection of the mucous membranes of the nose and throat, often involving the sinuses. The typical sore throat, sneezing, and fatigue may be accompanied by body aches, headache, low fever, and chills.
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; coronaviruses are estimated to cause as many as 30% of all colds. More serious are the coronaviruses responsible for SARSSARS
or severe acute respiratory syndrome,
communicable viral disease that can progress to a potentially fatal pneumonia. The first symptoms of SARS are usually a high fever, headache and body aches, sore throat, and mild respiratory symptoms; diarrhea may occur.
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 (severe acute respiratory syndrome), SARSCoV, and for MERS (Middle East respiratory syndrome), MERSCoV; outbreaks caused by infections with these viruses, which can affect both humans and animals, have resulted in signficant deaths. The SARS outbreak began in China in 2002 and spread globally in 2003; some 9% of those infected died. The first identified MERS outbreak originated in 2012 in Saudi Arabia (the virus appears to be common in dromedary camels); the most significant outbreak outside Saudi Arabia occurred in South Korea in 2015 and was traced to an individual who had visited the Middle East. MERS has killed roughly 35% of those people who are known to be infected, but infections have been relatively rare. Most known cases of MERS have quickly progressed to serious respiratory illness, with fever, cough, pneumonia, shortness of breath, and difficulty breathing. Many MERS patients have also had diarrhea and other gastrointestinal symptoms; kidney failure has sometimes occurred. Older individuals appear to be particularly susceptible. Although there has been person-to-person transmission, MERSCoV (unlike the SARS virus) does not appear to be highly contagious in humans.

Human coronaviruses appear to spread mainly through droplets in the air resulting from coughing or sneezing, or through close contact with an infected person or a contaminated object or surface. There are no vaccines or treatment for coronaviruses; care consists mainly in alleviating symptoms and preventing the viruses' transmission through handwashing and other measures. The first coronavirus, an infectious bronchitis virus of birds, was identified in the 1930s; the first human coronaviruses, associated with the common cold, were identified in the 1960s.


A major group of animal viruses including avian infectious bronchitis virus and mouse hepatitis virus.


a type of airborne virus accounting for 10-30% of all colds
References in periodicals archive ?
He added that Qatar, in cooperation with its Dutch partner team, was able to laboratory isolate the corona virus to develop its diagnosis and possible treatments.
Testing has now been completed on two of the remaining probable cases and one has tested positive for the Sars corona virus.
Manama, June 23 (BNA): The directives issued by His Royal Highness Prime Minister Prince Khalifa bin Salman Al Khalifa's during the weekly cabinet session regarding the pre-emptive and precautionary measures to be undertaken by the Ministry of Health to face some of the diseases that have emerged in some countries, including the corona virus, have been lauded by Health Minister Sadiq bin Abdul Kareem Al-Shehabi
The mission will visit hospitals where MERS infections had been identified or quarantined patients had been kept, analyzing the characteristics of the MERS corona virus in South Korea in cooperation with the Korea Centers for Disease Control and Prevention (KCDC).
He added that the Sultanate has remained immune from many epidemic diseases, the latest of which was Corona Virus.
A committee has been assigned the task of ensuring all camels in Bahrain undergo thorough examination for the deadly corona virus, along with establishing all necessary preventive measures.
Related to the common cold, the new corona virus first detected in the Middle East could be spreading from human to human.
Amman, May 10 (Petra) -- Jordan announced that it has registered a 9th corona virus infection for a male nurse in his 50s working at a private hospital and was one of a cadre that was treating an infected person at the hospital.
THERE have been a number of Middle East Respiratory-Syndrome Corona Virus (MERS-CoV) cases reported from the region recently.
KARACHI -- Middle East Corona Virus is feared to transmit in Pakistan from Saudi Arabia through pilgrims of Hajj and Umrah.
The virus behind Sars is a form of corona virus - a type more usually associated as a cause of the common cold.
said Wednesday it will hand out to medical and research institutions detection kits for the corona virus believed to cause severe acute respiratory syndrome (SARS).