Respiratory Viruses
(Microbiology)
Investigations Respiratory Viruses
A diverse group of viruses can cause respiratory disease and these tend to circulate at higher levels during the winter months. The respiratory virus screen detects: SARS-CoV-2 , influenza A, influenza B, respiratory virus (RSV), human metapneumovirus (hMPV), parainfluenza viruses types 1-4, rhinovirus, adenovirus. .

Molecular Tests
Respiratory Virus PCR
Inform lab before sending No
Specimen type Nasopharyngeal aspirate: Collected in a sterile leak-proof container.
Bronchoalveolar lavage: Collected in a sterile leak-proof container.
Swabs: Take a nose and then a throat swab and put both in the single green-topped
Virocult tube before returning it to the Virology laboratory. REMEL swab (RED CAPPED) collection kits are a suitable alternative swab collection kit.
Ideal time to take specimen  
Labelling requirements click here
How to take the specimen Nose swab - tilt the patient’s head back and gently insert the swab along the medial part of the nasal septum,
as far as possible. Rotate the swab several times and then remove and put it into the Virocult tube – you will need to break the shaft of the swab to fit inside the tube.

Throat swab – vigorously swab only the posterior pharyngeal wall and put it into the Virocult tube.
Transport to the laboratory If transport is delayed then store at +4°C
Test Times Daily
Turnround Respiratory Virus PCR: 24 hours
Additional information Bacterial Transport Media (blue swabs) cannot be processed by molecular diagnostic methods.
Additional Examination Requests click here


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