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Human Herpesvirus 7

Alias: HHV-7, Roseola, Sixth Disease, Exanthem Subitum

Discipline: Virology

Test information: Human herpesvirus 7 (HHV-7) is closely related to HHV-6. It also causes exanthem subitum and is likewise associated with a febrile disease of early childhood. Testing should be used in conjunction with patient history and clinical judgement.

Availability: Referred to UK Health Security Agency (UKHSA) Virus Reference Department (VRD): Monday - Friday during routine hours: 08:45 - 17:15.

Turnaround Time: 21 Days upon receipt at UK Health Security Agency (UKHSA) Virus Reference Department (VRD)

Related Tests: Human Herpesvirus 6

Specimen Type(s)
  • Cerebrospinal fluid;
  • Clotted blood;
  • EDTA Whole Blood;
Other Acceptable Specimen Type(s)
Specimen Container - Adult
  • Gold Top SST BD;
  • Purple Top BD;
  • Sterile CE-marked Universal Container;
Specimen Container - Paediatric
  • Plain Top Sarstedt;
  • Purple Top Microtainer BD;
  • Sterile CE-marked Universal Container;
  • HHV-7 DNA;
  • N/A;
Part of a test profile?
Volume (min) of sample to be sent to laboratory
CSF / Serum: 150uL.
Whole Blood: 500uL.
Patient Preparation, Sample Handling and Transport
  • Specimens should be transported to the laboratory as soon as possible.
  • Outside of normal hours samples should be refrigerated (2 °C to 8 °C).
Maximum add on time
Units and Reference Ranges / Interpretation
Results: Negative / Positive
UKAS number
UKAS accredited test?

If you have any queries about a test or results interpretation please contact us.

Last updated: 06-06-2023