Acute necrotizing encephalitis caused by a viral duet

The SARS-CoV-2 pandemic has challenged humanity and set before it a number of tasks, the solution of which will depend on its future existence. The combination of SARS-CoV-2 and other common respiratory viruses, especially influenza A virus, which presents with similar symptoms and causes a resonance of shared clinical effects, is of concern. The aim of the study is to increase the awareness of doctors about the peculiarities of the co-infection of the influenza A virus and SARS-CoV-2 based on the analysis of a clinical case in a young child. A clinical case of the implementation of flucovid with severe neurological disorders is described, which coincided in time with the post-vaccination period after vaccination with the MMR (measles, mumps, and rubella) in a 1-year-old boy. 4 months Coinfection (influenza A + SARS-CoV-2), which occurred on the 8th day after vaccination with the PDA vaccine in a young child, had a severe course with dominant extrapulmonary manifestations in the form of necrotizing encephalitis. Timely antiviral therapy in combination with human immunoglobulin and adequate symptomatic therapy (anticonvulsants, antibiotics, parenteral detoxification) minimized the consequences of brain tissue damage The research was carried out in compliance with the principles of the Declaration of Helsinki. Written consent of the patient's mother was obtained for the study and publication of its results. The authors declare no conflict of interest.