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When to Vaccinate And Composition of Vaccine - Dr Sheetu Singh ILD Head in RHL

When to Vaccinate and Composition of Vaccine, How to Vaccine Know everything by Dr. Sheetu Singh or more detail Visit our website - www.drsheetusingh.com

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When to Vaccinate And Composition of Vaccine - Dr Sheetu Singh ILD Head in RHL

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  1. When to vaccinate?

  2. Indications of vaccination • all children aged 6 through 59 months • all persons aged ≥50 years • adults and children who have chronic pulmonary (including asthma) or cardiovascular (except isolated hypertension), renal, hepatic, neurologic, hematologic, or metabolic disorders (including diabetes mellitus); • persons who have immunosuppression (including immunosuppression caused by medications or by HIV infection); • women who are or will be pregnant during the influenza season; • children and adolescents (aged 6 months–18 years) who are receiving long-term aspirin therapy and who might be at risk for experiencing Reye syndrome after influenza virus infection; • residents of nursing homes and other long-term care facilities; • persons who are extremely obese (BMI ≥40).

  3. Influenza Vaccines

  4. Basic concept of influenza vaccination Vaccine containing viral hemagglutinin and neuraminidase are administered to a subject The immune system will react by activation of B-cells to produce anti-HA and anti-NA antibodies Vaccination: Cornerstone of flu prevention Vaccination Vaccine leaves the body protected as if it had experienced a disease These antibodies will provide protection against viruses which will try to invade the body

  5. Composition of influenza vaccine • Trivalent vaccine: contains three influenza viral strains • Influenza A • Influenza A • Influenza B • WHO determines yearly which strains should be included in the influenza vaccine http://www.who.int/mediacentre/factsheets/fs211/en/

  6. How are influenza vaccines formulated? 2. National Influenza Centres (138 national laboratories in over 108 countries) gather influenza isolates from sentinel doctorsand routine samples 1. Sentinel doctors and other healthcare providers collect samples from patients with suspected influenza 3. Collaborating Reference Centres (London, Atlanta, Tokyo, Beijing, Memphis, and Melbourne) type and subtype the influenza isolates from the National Influenza Centres . 5. Vaccine manufacturers produce vaccine- containing influenza strains recommendedby the WHO 4. The WHO recommends the 3 influenza strains that should be in the vaccines Source: http://www.who.int/influenza/en/ as accessed on 16th Nov 2015, 3:14pm

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