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Which microbe causes Influenza?​

  • Influenza is caused by influenza virus infection

  • In West Africa, the virus may circulate yearlong with one peak of infection during the rainy season (April to October) and another during the dry season (November to March). 

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How is influenza virus transmitted?

  • The virus is transmitted from pigs to humans, birds to humans or humans to humans

    • Humans transmit the virus to one another  via coughing, sneezing or talking

    • A healthy individual gets infected  via direct contact with infected individuals, contact via contaminated surfaces with hands, the eyes, mouth or nose

 

What are the symptoms of influenza disease?

  • Below are descriptions of mild influenza cases

    • Incubation period is 1-5 days, depending on the amount of the virus or the immune status of the person..

    • High fever (100.4-104 ℉), headache, chills, sore throat, running/stuffy nose, myalgias, fatigue and dry cough

    • Fever declines within 2 to 3 days and goes away  by day 6

    • Cough from sick person changes from dry to productive mucus

  • Below are descriptions of severe influenza cases

    • Primary viral pneumonia

    • Secondary bacterial pneumonia

    • Myositis or generalized muscle pain

    • Cardiac involvement; can include chest pain, shortness of breath, fatigue and in severe cases heart failure.

    • Reye syndrome (swelling of liver and brain)

 

Which treatments are available for influenza?​​​

       The available treatments may depend on specific countries and typically      include the following:

  • Antiviral drugs (Need to be taken with 2 days of symptoms)

  • Non‐pharmaceutical: lots of fluid and rest

                    >Tamiflu (oseltamivir)

                    >Relenza (zanamavir)

                    >Baloxavir (Xofluza)

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What are the preventive measures?​

  • Vaccination with WHO-recommended influenza vaccine.

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