# Dengue virus

**URL:** <https://forum.loinc.org/t/dengue-virus/900>\
**Category:** microbiology\
**Created:** [April 6, 2016, 2:09am UTC](https://forum.loinc.org/t/dengue-virus/900 "2016-04-06T02:09:00Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![vchoi](https://forum.loinc.org/letter_avatar_proxy/v4/letter/v/a9adbd/32.png) [@vchoi](https://forum.loinc.org/u/vchoi)\
**Post date:** [April 6, 2016, 2:09am UTC](https://forum.loinc.org/t/dengue-virus/900/1 "2016-04-06T02:09:00Z")

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Hi,

- How are "Dengue virus", "Dengue virus 1+2+3+4", and "Dengue virus 1 and 2 and 3 and 4" differentiated from each other? Can one subsume the other(s)?
- Why does the hierarchy list "Dengue virus 1+2+3+4" as siblings of "Dengue virus Ab" and "Dengue virus Ag" when it does not specify any detailed component (Ab/Ag/RNA)?
- Why is there "Dengue virus DNA" when dengue virus is an RNA virus?

Thanks

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**Author:** ![vchoi](https://forum.loinc.org/letter_avatar_proxy/v4/letter/v/a9adbd/32.png) [@vchoi](https://forum.loinc.org/u/vchoi)\
**Post date:** [April 6, 2016, 2:40am UTC](https://forum.loinc.org/t/dengue-virus/900/2 "2016-04-06T02:40:41Z")

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In addition:

- Why is it that "Dengue virus 1 & 2 & 3 & 4 RNA" (CSF) uses ampersands (&) but "Dengue virus 1+2+3+4 RNA" (Ser) uses plus signs (+)?

_(Noted that "&" indicates analytes measured separately while "+" indicates analytes measured as one quantity)_ _(Also noted that the CSF test has a property of "Threshold" while the Ser test has a property of "ACnc")_

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**Author:** ![nicolredmay](https://forum.loinc.org/user_avatar/forum.loinc.org/nicolredmay/32/22_2.png) [@nicolredmay](https://forum.loinc.org/u/nicolredmay)\
**Post date:** [July 28, 2016, 7:24am UTC](https://forum.loinc.org/t/dengue-virus/900/3 "2016-07-28T07:24:28Z")

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Dengue virus is the cause of dengue fever. It is a mosquito-borne single positive-stranded RNA virus of the family Flaviviridae; genus Flavivirus. Five serotypes of the virus have been found, all of which can cause the full spectrum of disease. Thanks , 🙂 \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_  
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**Author:** ![system](https://forum.loinc.org/uploads/default/original/1X/dbab97ce9b2987d788a376e254fcaae249f3b672.png) [@system](https://forum.loinc.org/u/system)\
**Post date:** [June 23, 2023, 3:36pm UTC](https://forum.loinc.org/t/dengue-virus/900/4 "2023-06-23T15:36:35Z")

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