1. RNA Viruses
   1. Enveloped
      1. negative ssRNA
         1. Filo
            1. Ebola
            2. Margurg (haemorrhagic fever)
         2. Paramyxo (childhood diseases)
            1. Measles
            2. Mumps
            3. RSV (Respiratory syncytial virus)
            4. Parainfluenza
         3. Orthomyxo
            1. Influenza A (classical “flu”)
            2. Influenza B
         4. Bunya
            1. Puumala
            2. Hantaan (haemorrhagic fever)
         5. Rhabdo
            1. Rabies
      2. positive ssRNA
         1. Flavi
            1. Vector Bone
            2. Hepititis C
            3. Yellow Fever (maquito bites)
            4. JEV (Japanese encephalitis virus)
            5. TBE (Tick-borne encephalitis)
            6. Dengue
         2. Toga
            1. Rubella
         3. Corona
            1. Corona
            2. SARS
         4. Retro
            1. Lenti/Spuma/Onco
            2. Lenti
            3. HIV-1
            4. HIV-2
            5. BLV/HTLV
            6. HTLV-1
            7. HTLV-2 (leukemia)
   2. Non-enveloped
      1. positive ssRNA
         1. Calici
            1. Norovirus (gastroenteritis)
            2. Astro
         2. Picorna
            1. Rhino
            2. Human rhinovirus (common cold)
            3. Entero
            4. Polio
            5. Coxsackie/Echo
            6. EV71
            7. Aptho
            8. Foot & Mouth disease virus (cattle)
            9. Hepato A
            10. Hepititis A
      2. dsRNA
         1. Reo
            1. Rota (childhood diarrhea)