RNA viruses
| Family | Structure | Envelope | Capsid Symmetry | Examples |
|---|---|---|---|---|
| Reoviridae | Double-stranded, linear | Naked | Icosahedral | Reovirus, Rotavirus |
| Picornaviridae | Single-stranded +, linear | Naked | Icosahedral | Enterovirus, Rhinovirus, Poliovirus, Coxsackie |
| Caliciviridae | Single-stranded +, linear | Naked | Icosahedral | Norwalk virus |
| Togaviridae | Single-stranded +, linear | Enveloped | Icosahedral | Rubella virus |
| Arenaviridae | Single-stranded -, circular | Enveloped | Helical | Lymphocytic choriomeningitis virus |
| Flaviviridae | Single-stranded +, linear | Enveloped | Icosahedral | Dengue virus, Hepatitis C virus, Yellow fever virus |
| Orthomyxoviridae | Single-stranded -, linear | Enveloped | Helical | Influenzavirus A, Influenzavirus B, Influenzavirus C, |
| Paramyxoviridae | Single-stranded -, linear | Enveloped | Helical | Measles virus, Mumps virus, Respiratory syncytial virus |
| Bunyaviridae | Single-stranded -, circular | Enveloped | Helical | California encephalitis virus, Hantavirus |
| Rhabdoviridae | Single-stranded -, linear | Enveloped | Helical | Rabies virus |
| Filoviridae | Single-stranded -, linear | Enveloped | Helical | Ebola virus, Marburg virus |
| Coronaviridae | Single-stranded +, linear | Enveloped | Helical | Corona virus |
| Hepeviridae | Single-stranded +, linear | Naked | Icosahedral | Hepatitis E virus |
RNA viruses memory aids:
- Reoviridae are the only double-stranded RNA viruses
- 'CALL PICO and FLAVA. There's a RETRO TOGA party with lots of CORONAs'