# MetaPhlAn3 gives unclassified viruses:

**URL:** https://forum.biobakery.org/t/metaphlan3-gives-unclassified-viruses/1795
**Category:** MetaPhlAn
**Created:** [March 16, 2021, 6:55am UTC](https://forum.biobakery.org/t/metaphlan3-gives-unclassified-viruses/1795 "2021-03-16T06:55:05Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![saras22](https://avatars.discourse-cdn.com/v4/letter/s/59ef9b/32.png) [@saras22](https://forum.biobakery.org/u/saras22)
#### Post date: [March 16, 2021, 6:55am UTC](https://forum.biobakery.org/t/metaphlan3-gives-unclassified-viruses/1795/1 "2021-03-16T06:55:05Z")

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Hi  
Dear @fbeghini

- MetaPhlAn3 gives unclassified viruses:  
After adding the --add\_viruses flag I got some percentage of viral species but how, for most of the viral result, does it classifiy directly to the species level and not the genus,family,order,class as they remain unclassifed?  
This is what I got:  
**k\_\_Viruses|p\_\_Viruses\_unclassified|c\_\_Viruses\_unclassified|o\_\_Caudovirales|f\_\_Siphoviridae|g\_\_Siphoviridae\_unclassified|s\_\_Microbacterium\_phage\_Min1 10239|||28883|10699||446529 0.61931**  
**k\_\_Viruses|p\_\_Viruses\_unclassified|c\_\_Viruses\_unclassified|o\_\_Caudovirales|f\_\_Siphoviridae|g\_\_Siphoviridae\_unclassified|s\_\_Microbacterium\_phage\_Min1 10239|||28883|10699||446529 0.61931**  
**k\_\_Viruses|p\_\_Viruses\_unclassified|c\_\_Viruses\_unclassified|o\_\_Viruses\_unclassified|f\_\_Viruses\_unclassified|g\_\_Viruses\_unclassified|s\_\_Pseudomonas\_phage\_PA16 10239||||||347331 0.39614**