Skip to main content
Oxford University Hospitals NHS Foundation Trust

AlertCoronavirus / COVID-19

If you have a new continuous cough, a high temperature, or a loss or change to your sense of taste or smell, do not come to our hospitals. Follow the national advice.

Please find information on our services and visiting restrictions in our COVID-19 section.

Patients and visitors must wear a face covering in our hospitals.

This site is best viewed with a modern browser. You appear to be using an old version of Internet Explorer.

Point-of-care testing

Point of care testing (PoCT) in Microbiology is used for rapid testing for Influenza A/B virus.

This is done by the following wards, but is overseen by Microbiology at Oxford University Hospitals:

John Radcliffe Hospital

  • Emergency Department
  • Emergency Assessment Unit
  • Ambulatory Assessment Unit

Horton General Hospital

  • Emergency Department
  • Laburnum Ward

PoCT is also used in the laboratory for patients not from these clinical areas.

For patients from areas which do carry this test, patients with a negative result should send a specimen to the lab for an additional Influenza and RSV test (FRAB).

Specimen requirements

Influenza A/B

  • Nasal Swab in Copan UTM
  • Nasopharyngeal wash
  • Nasopharyngeal aspirate

Laboratory turnaround time

Please refer to the Microbiology Laboratory Users Manual (pdf, 684 KB).

Laboratory method

An immunoassay that can detect influenza virus nucleoproteins via antibody-antigen fluorescence particle complexes is used, i.e. Standard F influenza A/B FIA. It has two test lines which are coated with monoclonal anti-influenza A and anti-influenza B antibodies and a control line coated with polyclonal mouse IgG is also present.

Patient samples are added to the sample well of the test device and will migrate along a membrane. If specific influenza A/B antigen is present it will react with the specific conjugated monoclonal anti-A/B forming antibody-antigen specific fluorescence complexes.

These complexes will migrate further along the pad where they are captured by a specific influenza A/B antibody on a test line this will make a fluorescence signal. The intensity of the fluorescence signal is read by the F200 analyser and a result given.

Where to find results of these tests

  • All results are returned electronically where possible (EPR, SunquestICE).
  • Some results may be phoned to clinicians and GPs.
  • Results are never given directly to patients by the laboratory staff.

Further information and contact details

For further information please email:

Confidential patient information should only be sent from accounts.