Epidemiological aspects of the evolution of influenza infections in a large urban centre (B.) in Romania in 1988.

The study describes the peculiarities of the influenza infection evolution, in 1988, in a large urban centre, B., in Romania, as they result from the active surveillance of the epidemiological process of influenza and other viral respiratory tract infections, by means of a complex methodology based on clinical-epidemiological and laboratory techniques. The low endemic morbidity, the evolution of these seasonally ascendant specific incidence, the endemic aspect of influenza infection being maintained as a consequence of its predominance in infants and children, the clinically mild form of the outbreaks, all these are specific elements of the epidemiologic impact in the surveyed territory.