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Influenza A (H1N1) Influenza Virus

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Hong Kong tracks swine flu suspects Source: MSN news

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Updated as on 12 May 2009

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WHO phase of pandemic alert Source: WHO

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LevelScenarioHK government response Alert response Highly pathogenic influenza A (H1N1) outbreak or confirmation human case outside HK A simplified emergency response command structure will be put in place Serious response Confirmation of human case(s) of influenza A (H1N1) in HK without evidence of efficient human-to-human transmission Steering Committee chaired by Sectary of Food and Health (SFH) will be set up to steer Government response Emergency response Efficient human-to-human transmission of novel influenza occurring overseas or in HK or declaration of pandemic comes from WHO The Steering Committee will be chaired by the Chief Executive. SFH evaluate the need to suspend the school, public service and activities / Provide temporary accommodation for health care workers who have contact with the affected patients Activated on May 1st Hong Kong Government Response system Source: Center for Health Protection

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What is Human Swine Influenza? New Influenza A (H1N1) virus Swine Influenza A (H1N1) The spread from person to person has been recognized in the Swine Influenza A (H1N1) epidemic

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Aemagglutinin ( ) 16 types Euraminidase ( ) 9 types H1N1 and H3N2 are the most common types of Influenza A virus in Hong Kong.

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Symptoms Similar to that of the seasonal flu: acute respiratory disease Fever Fatigue No appetite Coughing

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Symptoms Running nose Sore throat diarrhea vomiting

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Mode of transmission Mainly spread from person to person by respiratory droplets generated by coughing or sneezing People may also become infected by touching objects soiled with the flu virus and then touch their nose or mouth

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Mode of transmission There is no evidence showing that H1N1 Influenza A can be spread to people by eating properly cooked pork and poultry products. H1N1 Influenza A virus can be killed if pork is cooked at temperature of 70 o C (160 O F) and above.

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Preventive measures

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Use 70-80% Alcohol handrub to clean your hands if they are not visible soiled. (Alcohol hand rub)

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Preventive measures Avoid touching nose, mouth and eyes Cover your nose and mouth when sneezing or coughing Dont spit. Always wrap nasal or mouth discharge with tissue paper, and dispose properly in a lidded rubbish bin.

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Preventive measures Wear a surgical mask when symptoms of respiratory tract infection or fever develops, and seek medical advice promptly. Refrain from work or school if symptoms of flu develop.

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Preventive measures Avoid traveling to the Influenza A (H1N1) affected areas.

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Method of treatment Wear a surgical mask and seek medical advice promptly when symptoms of flu develop. Tell doctor your travel history and persons you have contacted with if you have traveled to the affected places or contacted with the affected person.

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Rules of reporting Travel to the affected places, or contact with Influenza A (H1N1) patients, or contact with person with fever or respiratory symptoms, who has been to the affected places in the past 7 days. Report to Center for Health Protection promptly when the increased number of absence and school children with respiratory symptoms is noticed.

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Conclusions Avoid visiting crowded places with poor ventilation; Keep your hands clean. Wash your hands properly. Using alcohol- based handrub is also effective when your hands are not visibly soiled; Avoid touching your eyes, nose and mouth; Wash your hands with liquid soap promptly if they are soiled by respiratory secretions, e.g., after sneezing or coughing; Cover your nose and mouth when sneezing or coughing; Dont spit. Always wrap nasal or mouth discharges with tissue paper, and dispose of the tissue paper properly in a lidded rubbish bin; Wear a surgical mask when symptoms of respiratory tract infection or fever develop, and seek medical advice promptly; Maintain good environmental hygiene and keep your home clean; Have plenty of sleep and rest: Take adequate exercise; Eat a balanced diet; Dont smoke; Be happy; Refrain from work or school if you develop symptoms of flu.

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/ www.chp.gov.hk Ministry of Health of Mexico US Centers for Disease Control and Prevention World Health Organization

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Thanks!