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PANDEMIC INFLUENZA M. Rony Francois, MD, MSPH, PhD

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Presentation on theme: "PANDEMIC INFLUENZA M. Rony Francois, MD, MSPH, PhD"— Presentation transcript:

1 PANDEMIC INFLUENZA M. Rony Francois, MD, MSPH, PhD
Secretary, Florida Department of Health Bill Tynan, M.D. T. R. Belcuore, MS

2 Overview Threat Preparedness Questions Disease Characteristics
Pandemic Characteristics Preparedness Surveillance Resources Questions

3 Threat Pandemic Influenza History Frequency ~ every 35 years
– 50 million deaths million deaths million deaths Frequency ~ every 35 years Duration 1 – 3 years Waves 1 – 3, 4 – 8 weeks/wave Worldwide 6 – 9 months, 3 months?

4 Threat Factors Affecting Outbreak Control
Attack rate 35% of population Hospitalization rate 10% of cases Case fatality rate ~2 - 50% Asymptomatic, presymptomatic transmission ~30% - 50% Reproduction number ~2 people Serial interval ~2 – 4 days Infectious period ~peaks day 2(1-8) Incubation period ~2 (1 – 4 days)

5 AVIAN FLU BY THE NUMBERS
0- number of human and avian US cases 2- reproductive value of single flu case 1-5 days from exposure to illness Communicability: 1-2 days before, 4-5 days after onset of symptoms 1997- year this virus appeared 250/115-number of confirmed cases/dead 300,000,000- number of birds killed (est.)

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8 What constitutes a Pandemic?
1. Highly virulent organism 2. Lack of human immunity to the organism 3. Ability to easily transmit from human to human H5N1 has the first two but not the third (recent cases in Indonesia)

9 WHERE ARE WE TODAY? PREPAREDNESS SURVEILLANCE ANTIVIRALS VACCINE
COMMUNICATION

10 Preparedness National Strategy
1. Stopping, slowing or otherwise limiting the spread of pandemic to the United States 2. Limiting the domestic spread of a pandemic, and mitigating disease, suffering and death 3. Sustaining infrastructure and mitigating impact to the economy and the functioning of society

11 Preparedness Florida’s Strategy ESF 8 Emerging Event Team (EET)
Develop Florida Strategy for Pandemic Influenza Engage entire emergency management system Prepare gap analysis with WHO, HHS Plans Review, update existing all-hazards plans Develop communications strategy for WHO phases of disease to all stakeholder groups and the public

12 SURVEILLANCE Animals Alaska Wild Bird Testing Poultry Farm Protocol
Humans Sentinel Physicians National Retail Monitoring System Five Biosafety Level 3 Laboratories Routine Disease Investigations

13 Commercial Poultry in Florida
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14 OVERARCHING GOALS Push the epidemic curve to the right
Reduce the “reproductive number” Minimize antiviral usage Minimize hospital burden Minimize morbidity/mortality while vaccine is developed

15 Effect of delaying the onset of the epidemic
Delay three months No intervention Delay and contain Six months Pandemic starts Infection appears in Florida Vaccine available

16 RESPONSE & CONTAINMENT PHASE 6
CASE REPORTS LABORATORY SURGE CAPACITY ISOLATION QUARANTINE TARGETED ANTIVIRALS TARGETED PROPHYLAXIS TARGETED VACCINATIONS

17 THE LOG PHASE Individual case finding ceases Community Control
Social Distancing Patient Management COOP Plans- do you have one?

18 COMMUNITY CONTROL Stay home if you are sick Innovative food purchasing
Self Isolation Family Support Plans

19 SOCIAL DISTANCING Cessation of public meetings-technology can help here Church gatherings Theatres Sporting Events Closure of schools and child care Use of distance learning

20 PATIENT MANAGEMENT Home is the primary place to be
Alternate treatment facilities Alternate housing

21 VACCINATION PHASE Who gets vaccinated first? Vaccination Issues Plan

22 COMMUNICATION Rumor control is critical Risk communication
Internet Amplification Messenger and message

23 PANDEMIC FLU WEBSITES Centers for Disease Control & Prevention
Florida Department of Health U.S. Department of Health & Human Services


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