# Baltimore classification

> virus classification system by David Baltimore consisting of 7 groups based on genome type (DNA or RNA), number of strands (single- or double-stranded), sense (positive or negative), and method of replication (through DNA or RNA intermediate)

**Wikidata**: [Q782725](https://www.wikidata.org/wiki/Q782725)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Baltimore_classification)  
**Source**: https://4ort.xyz/entity/baltimore-classification


## References

1. Freebase Data Dumps. 2013