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[Morphogenesis of complicated and uncomplicated influenza].

Changes in the lungs in the prodromal period immediately after inoculation of animals with influenza virus were studied at length by electron microscopy. An early involvement in the process of pulmonary alveolar cells was demonstrated. Particular attention is drawn to viral and viral-bacterial associations determining the severity of the course of influenza and its lethal outcomes. The paper deals with the importance of latent infection in intrauterine infection with influenza virus.