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Influenza

Influenza is a respiratory infection caused by influenza viruses.

Infectious DiseasesIntermediate

Based on MedlinePlus en español — Influenza. Original educational summary, read by a medical doctor and confirmed reliable, pending formal approval. Not medical advice.

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Learning outcomes

  • Explain influenza viruses and transmission.
  • Explain sudden symptoms and complications.
  • Explain history and respiratory swab testing.
  • Explain annual vaccination and early care.
  1. 1

    Influenza viruses and transmission & Sudden symptoms and complications

    5 min · includes quiz

  2. 2

    History and respiratory swab testing & Annual vaccination and early care

    5 min · includes quiz