Corona viruses are large family of viruses to which mers-cov belongs and may cause a range of illnesses to humans and animals from the common cold to severe acute respiratory infection.The means of transmission is not yet fully understood, but some evidences indicate the following: droplets from the patient during sneezing or coughing, touching the patient’s stuff or services and objects contaminated with the virus, direct contact with the infected person, the possibility of transmission from infected animalsThe main signs and symptoms for corona infection are fever, cough, sore throat, shortness of breath and in some cases diarrhea and vomiting. Some cases with low immunity may develop renal or respiratory failure and even death.Patients are provided with the support of treatment based on the patient’s clinical condition, which might include: antipyretics, fluids, oxygen, antibiotics, and others. Vaccine is in the research phase so far.Wash your hands well and continually with water and soap or other disinfectants, especially after coughing, sneezing, and using toilets.Use a handkerchief when coughing or sneezing and cover your mouth and nose with that, then get rid of the handkerchief in a waste basket.Put on face masks if you’re sick, visiting sick patients or when traveling to crowded places.