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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 40% 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 ?
A sample was taken from the patient and analyzed at a specialized lab and the results showed he was infected with corona virus, also dubbed the new corona virus.
Dr Al Jayyousi said: The campaign represents a community-based approach to health education and promotion aimed at enhancing general knowledge and understanding of MERS Corona Virus and H1N1.
In the Middle East, MERS Corona Virus has been found in camels.
28 (Petra) -- Jordan announced that it has registered 16 corona virus infections, since the virus was first reported back in 2012.
JEDDAH, Aug 24 (KUNA) -- Saudi Arabia Health Ministry on Monday reported 49 confirmed new Middle East Respiratory Syndrome (MERS) corona virus cases during the last week; 47 cases in Riyadh and one in each of Najran, Abha and in the south of the Kingdom.
Most state laboratories are approved to test for Middle East Respiratory Syndrome Corona virus (MERS-CoV) using CDC's rRT-PCR assay.
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
AFTER SWINE flu and Ebola, the Middle East Respiratory Syndrome Corona Virus ( MERS- CoV) is the new global threat that has put many Asian countries, including India, on high alert.
Romaihi said,"Since camels were infected with corona virus, we conducted studies to know about the public perception of camels and how they interacted with them.
Muscat, February 10 (ONA) The Ministry of Health recorded 3 new cases of corona virus including one death and two almost recovered.
The Abu Dhabi Food Control Authority (ADFCA) and Al Wathba Veterinary Laboratory has developed a technique to detect Middle East Respiratory Syndrome Corona Virus (Mers-CoV) in camels within just 20 minutes.
The Supreme Council of Health (SCH) yesterday announced that one of the two Middle East Respiratory Syndrome Corona Virus (Mers-CoV) cases reported in Qatar so far this year had "completely recovered" and was discharged from hospital on Sunday.