The common cold (viral upper respiratory tract infection (VURI), acute viral rhinopharyngitis, acute coryza, or cold) is a contagious, viral infectious disease of the upper respiratory system, caused primarily by rhinoviruses and corona viruses. Common symptoms include a sore throat, runny nose, and fever. There is no cure; however, symptoms usually resolve spontaneously in 7 to 10 days, with some symptoms possibly lasting for up to three weeks. The common cold is the most frequent infectious disease in humans with on average two to four infections a year in individual adults and up to 6 - 12 in individual children. Collectively, colds, influenza, and other infections with similar symptoms are included in the diagnosis of influenza-like illness. They may also be termed upper respiratory tract infections (URTI). Influenza involves the lungs while the common cold does not. Symptoms are cough, sore throat, runny nose, and nasal congestion; sometimes this may...
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Apr 24, 2019