
Which microbe causes Influenza?
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Influenza is caused by influenza virus infection
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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).
How is influenza virus transmitted?
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The virus is transmitted from pigs to humans, birds to humans or humans to humans
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Humans transmit the virus to one another via coughing, sneezing or talking
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A healthy individual gets infected via direct contact with infected individuals, contact via contaminated surfaces with hands, the eyes, mouth or nose
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What are the symptoms of influenza disease?
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Below are descriptions of mild influenza cases
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Incubation period is 1-5 days, depending on the amount of the virus or the immune status of the person..
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High fever (100.4-104 ℉), headache, chills, sore throat, running/stuffy nose, myalgias, fatigue and dry cough
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Fever declines within 2 to 3 days and goes away by day 6
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Cough from sick person changes from dry to productive mucus
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Below are descriptions of severe influenza cases
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Primary viral pneumonia
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Secondary bacterial pneumonia
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Myositis or generalized muscle pain
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Cardiac involvement; can include chest pain, shortness of breath, fatigue and in severe cases heart failure.
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Reye syndrome (swelling of liver and brain)
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Which treatments are available for influenza?
The available treatments may depend on specific countries and typically include the following:
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Antiviral drugs (Need to be taken with 2 days of symptoms)
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Non‐pharmaceutical: lots of fluid and rest
>Tamiflu (oseltamivir)
>Relenza (zanamavir)
>Baloxavir (Xofluza)
What are the preventive measures?
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Vaccination with WHO-recommended influenza vaccine.





