H1N1 influenza

H1N1 influenza is a strain of influenza that notably resulted in a pandemic in 2009.

It is type of influenza A virus of swine origin.

There can be a wide spectrum of clinical syndromes with patient's ranging from being asymptomatic to having fulminating viral pneumonia, respiratory failure and death.

It can have a variable presentation and a number of features have been described.

Described imaging spectrum is broad which each feature being non specific on its own 2-3:

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Article information

rID: 32660
System: Chest
Section: Pathology
Synonyms or Alternate Spellings:
  • H1N1 influenza infection
  • H1N1 pneumonia
  • H1N1 pneumonitis
  • H1N1 pulmonary infection
  • Novel influenza A infection
  • Novel influenza A pulmonary infection
  • Swine-origin influenza A
  • Swine flu infection
  • Swine-Origin Influenza A infection

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