upper respiratory tract infection,coryza
The majority of upper respiratory tract infections are due to infection with picornaviruses of the rhinovirus group. However other viruses such as adenoviruses, coronaviruses, coxsachie viruses, echoviruses, influenza viruses, para-influenza viruses and the respiratory syncytial virus (RSV) can cause upper respiratory tract infections. RSV, the influenza viruses, parainfluenza viruses I and II and adenoviruses can also cause acute infection of the larynx, trachea and major bronchi. The common cold is a very common infection caused by rhinoviruses, and also by other respiratory viruses and some enteric viruses. Influenza, Parainfluenza, picorna, respiratory syncytial viruses and adenoviruses have all been implicated. There is usually an acute onset with sneezing, dry sore throat, rhinorrhoea and headache. The condition is generally self-limiting although complications such as otitis media, sinusitis and, very occasionally, pneumonia may occur. coryza This is discharge from the m...