SA国际传媒

Sunday 27 September 2026
Salisbury Foundation Trust

FOI_9502

Internal Reference Number: FOI_9502

Date Request Received: 01/07/2026 00:00:00

Date Request Replied To: 07/08/2026 00:00:00

This response was sent via: By Email

Request Summary: Definition and confirmation of influenza case

Request Category: Private Individuals

 
Question Number 1:
Dear Trust, please pass this request on to those who are responsible for the diagnosis and reporting of influenza cases.

Would please let me have

Your definition of an active case of influenza.
 
Answer To Question 1:
Usually a clinician would call it an active case when the patient has the appropriate clinical picture plus a positive PCR result for influenza. Usually a patient would not be active when they have clinically recovered with absence of fevers and general improvement , usually about 5-7 days after onset of symptoms depending on severity/immunosuppression/any treatment with an antiviral

We use cepeid genexpert for testing for influenza at the moment using PCR
 
Question Number 2:
The methods used to confirm an influenza case and distinguish it from other acute respiratory infections.
 
Answer To Question 2:
PCR is used to confirm Flu
 
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