| [the etiological structure of acute respiratory infectious morbidity based on the data from a rapid diagnosis in minsk]. | examination of 60,792 residents of minsk in different seasons of 1977-1989 by indirect immunofluorescence showed this method to be able of recoding not only mono- but also polyetiological epidemics. the epidemic threshold for influenza a is 15% of positive findings, for influenza b is 7-8%, for polyetiological epidemics (influenza a and b) is 15-16% and 9-10%, respectively. the criterion of the epidemic situation in the city is a twofold increase (or higher) in the level of influenza a and b vir ... | 1993 | 8303892 |