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Herpes Virus Type 7 (HHV-1), Molecular Detection

Molecular testing for herpesvirus type 7 virus is used for laboratory diagnosis and documentation of infections by this virus.

Herpesvirus type 7 or herpesvirus-7 (Human Herpes Virus 7, HHV-7) is a member of the family of DNA viruses, Herpesviridae, and is very similar to herpesvirus type 6 (HHV-6). About 85-95% of adults are infected and are immune to HHV-7, and more than three-quarters of them were infected before the age of six. Primary HHV-7 infection in children occurs between the ages of 2 and 5 years, which means that HHV-7 infection occurs after the primary HHV-6 infection.

Like the herpesvirus type 6 virus, HHV-7 can be a causative agent of viral rash (roseola infantum) although much rarer than HHV-6. HHV-7 infection is also associated with various other symptoms and signs, such as acute febrile respiratory disease, fever, rash, vomiting, diarrhea, low lymphocyte counts, and convulsions although very often, the infection with type 7 virus, remains asymptomatic.

There are indications that HHV-7 may be involved in the development of hypersensitivity syndrome from drugs, encephalopathy, hepatitis, rosacea, and reactivation of HHV-4 (Epstein-Barr), leading to "mononucleosis-like disease".



Important Note

Laboratory test results are the most important parameter for the diagnosis and monitoring of all pathological conditions. 70%-80% of diagnostic decisions are based on laboratory tests. The correct interpretation of laboratory results allows a doctor to distinguish "healthy" from "diseased".

Laboratory test results should not be interpreted from the numerical result of a single analysis. Test results should be interpreted in relation to each individual case and family history, clinical findings, and the results of other laboratory tests and information. Your personal physician should explain the importance of your test results.

At Diagnostiki Athinon we answer any questions you may have about the test you perform in our laboratory and we contact your doctor to get the best possible medical care.

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