| Positive Polarity Viruses | Negative Polarity Viruses |
| Also Known as Plus Strand / Positive Sense virus | Also Known as Minus Strand / Negative Sense virus |
| The Virus Strand Itself acts as mRNA | They have their own RNA Polymerases (RNA dependent RNA polylmerases) |
| Viral RNA is INFECTIOUS | Extracted nucleic acid is NOT INFECTIOUS |
| E.g. Picorna & Togaviruses | E.g. Rhabdo, Orthomyxo & Paramyxoviruses |
References -
[Ananthanarayanan]