Lecture 7. influenza

General description of infectious diseases with droplet mechanism of trans mission . Influenza. Sorokhan V.D., MD, PhD Bukovinian State Medical University Department of the infection diseases and epidemiology

Definition ,[object Object],Woman with the flu holding a tissue to her nose

Epidemiology ,[object Object],[object Object],Virus under electron microscope

Epidemiology ,[object Object],[object Object],Sneezing can transmit influenza

Classification ,[object Object],[object Object],[object Object],[object Object],Influenza (Flu)

Influenza virus A ,[object Object],[object Object]

Classification ,[object Object],[object Object],[object Object],[object Object],[object Object]

Classification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Influenza virus B ,[object Object]

Influenza virus C ,[object Object]

Structure, properties, and subtype nomenclature ,[object Object],Structure of the influenza virion . The hemagglutinin (HA) and neuraminidase (NA) proteins are shown on the surface of the particle. The viral RNAs that make up the genome are shown as red coils inside the particle and bound to Ribonuclear Proteins (RNPs).

Structure, properties, and subtype nomenclature ,[object Object]

Pathophysiology ,[object Object],The different sites of infection (shown in red) of seasonal H1N1 versus avian H5N1 . This influences their lethality and ability to spread.

Signs and symptoms ,[object Object]

Signs and symptoms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Signs and symptoms ,[object Object],[object Object],[object Object],[object Object]

Differential diagnosis ,[object Object]

Vaccination ,[object Object],Doctor giving shot to a patient

Neuraminidase inhibitors ,[object Object]

M2 inhibitors (adamantanes) ,[object Object]

Lecture 7. influenza

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