Acute viral infections of the upper respiratory tract are benign affections that are caused by an array ofrespiratory viruses. They are spread by droplet infection and occur throughout the year, most frequently in thecold months when people rather gather in closed indoor premises. The infection rate is considerable, susceptibility high regardless of age, and the incubation period is only hours to three days. Treatment of uncomplicated cases is only symptomatic, the application of antibiotics not being appropriate. Prevention lies inevading close contact with manifestly diseased persons.

        Key words: respiratory tract, respiratory viruses, acute infection