lecture+Influenza+A+(H1N1)

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For More Lectures www.medicalppt.blogspot.com Influenza A (H1N1) National Center for Disease Prevention and Control, DOH ROMEO ALMAZAN BITUIN, MD, MHA Medical Specialist III HEMS Coordinator Dr. Jose Fabella Memorial Hospital Department of Health DISTRIBUTED BY www.medicalppt.blogspot.com
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For More Lectures www.medicalppt.blogspot.com Influenza A (H1N1) Is PANDEMIC Imminent? National Center for Disease Prevention and Control, DOH
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For More Lectures www.medicalppt.blogspot.com Influenza is usually a respiratory infection Transmission Regular person-to-person transmission Primarily through contact with respiratory droplets Transmission from objects (fomites) possible National Center for Disease Prevention and Control, DOH
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For More Lectures www.medicalppt.blogspot.com Transmission of Influenza Limited studies, varying interpretations Contact, droplet, and droplet nuclei (airborne) transmission all likely occur Relative contribution of each unclear Droplet thought most important Coughing, sneezing, talking Most studies either Animals or human experiments under artificial conditions Outbreak investigations – Unclear of infection source National Center for Disease Prevention and Control, DOH
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For More Lectures www.medicalppt.blogspot.com Key Characteristics Communicability Viral shedding can begin 1 day before symptom onset Peak shedding first 3 days of illness Correlates with temperature Subsides usually by 5-7th day in adults can be 10+ days in children Infants, children and the immuno-compromised may shed the virus longer National Center for Disease Prevention and Control, DOH
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For More Lectures www.medicalppt.blogspot.com Incubation period Time from exposure to onset of symptoms 1 to 4 days (average = 2 days) Seasonality In temperate zones, sharp peaks in winter months In tropical zones, circulates year-round with seasonal increases. National Center for Disease Prevention and Control, DOH
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For More Lectures www.medicalppt.blogspot.com Clinical Illness, Seasonal Influenza Abrupt onset Fever and constitutional symptoms: body aches, headaches, fatigue Cough, rhinitis, sore throat GI symptoms and myositis more common in young children Sepsis-like syndrome in infants Complications: viral and bacterial pneumonia, febrile seizures, cardiomyopathy, encephalopathy/encephalitis, worsening underlying chronic conditions National Center for Disease Prevention and Control, DOH
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For More Lectures www.medicalppt.blogspot.com Individuals at Increased Risk for Hospitalizations and Death Elderly > 65 years Children less than two years Certain chronic diseases Heart or lung disease, including asthma Metabolic disease, including diabetes HIV/AIDs, other immuno-suppression Conditions that can compromise respiratory function or the handling of respiratory secretions Pregnant women National Center for Disease Prevention and Control, DOH
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This note was uploaded on 12/27/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

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lecture+Influenza+A+(H1N1) - For More Lectures...

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