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Influenza H1N1 Introduction. What is Influenza A H1N1?  Influenza virus  Family Orthomyxoviridae  2 important surface proteins  Haemagglutinin (H)

Published byGary Geoffrey Bishop Modified over 8 years ago

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Presentation on theme: "Influenza H1N1 Introduction. What is Influenza A H1N1?  Influenza virus  Family Orthomyxoviridae  2 important surface proteins  Haemagglutinin (H)"— Presentation transcript:

1 Influenza H1N1 Introduction

2 What is Influenza A H1N1?  Influenza virus  Family Orthomyxoviridae  2 important surface proteins  Haemagglutinin (H)  Neuraminidase (N)  Frequent changes in surface proteins causes antigenic drifts and antigenic drifts

3 So what?  Changes in viral make up can create a completely new strain of virus  No immunity  No previous infection  No vaccination  Faster spread of disease among the population

4 Epidemiology Center for Disease Control and Prevention, 2009

5 Epidemiology Center for Disease Control and Prevention, 2009

6 Epidemiology  Those who are hospitalized have underlying co-morbid conditions  Asthma, diabetes, heart disease and pregnancy – greater risk of serious flu-related complications

7 Epidemiology Center for Disease Control and Prevention, 2009

8 Pathophysiology  Video

9 What are we doing?  DOH H1N1 website  Disaster response protocols  Surveillance of travelers  Basic hand hygiene campaign

10  CDC Dr. Joe Bresee

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