Here's about Influenza A H1N1 cases.
Suspect Case
Defined as an individual with an acute febrile respiratory illness (fever >38°C) with onset of symptoms:
- Within 7 days of travel to affected areas; or
- Within 7 days of close contact with a confirmed or probable case of Influenza A (H1N1)
Probable Case
Defined as an individual with an acute febrile respiratory illness (fever >38°C) with an influenza test that is positive for Influenza A but is un-subtypeable by reagents used to detect seasonal influenza virus infection, OR;
An individual with a clinically compatible illness or who died of an unexplained acute respiratory illness who is considered to be epidemiologically linked to a probable or a confirmed case.
Confirmed Case
Defined as an individual with laboratory confirmed Influenza A (H1N1) virus infection by one or more of the following tests:
- Real-time RT-PCR;
- Viral culture;
- Four-fold rise in Influenza A (H1N1) virus specific neutralising antibodies.
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