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Influenza H1N1

Influenza H1N1. Introduction. 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. So what?.

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Influenza H1N1

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  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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