Dodatak:Popis virusa, A
Ad uredi
Porodica Adenoviridae uredi
Ah uredi
Al uredi
, Alfamovirus: , Allexivirus: , Alloherpesviridae , Allolevivirus: , Alphabaculovirus: , Alphacarmotetravirus: , Alphacoronavirus: , Alphaentomopoxvirus: , Alphaflexiviridae , Alphafusellovirus: , Alphaguttavirus: , Alphalipothrixvirus: , Alphamesonivirus: , Alphanecrovirus: , Alphanodavirus: , Alphanudivirus: , Alphapapillomavirus: , Alphapartitivirus: , Alphapermutotetravirus: , Alpharetrovirus: , Alphaspiravirus: , Alphatetraviridae , Alphatorquevirus: , Alphaturrivirus: , Alphavirus: , Alvernaviridae
Am uredi
, Amalgaviridae , Amalgavirus: , Ambidensovirus: , Amdoparvovirus: , Ampelovirus: , Ampullaviridae , Ampullavirus:
An uredi
, Anelloviridae , Anulavirus:
Ap uredi
, Aparavirus: , Aphthovirus: , Apscaviroid:
Aq uredi
, Aquabirnavirus: , Aquamavirus: , Aquaparamyxovirus:
Aquareovirus uredi
Ar uredi
, Arenaviridae , Arenavirus: , Arteriviridae , Arterivirus:
As uredi
, Ascoviridae , Ascovirus: , Asfarviridae , Asfivirus: , Astroviridae
At uredi
Atadenovirus uredi
Au uredi
, Aureusvirus: , Aurivirus:
Av uredi
, Avastrovirus: , Avenavirus: , Aveparvovirus: , Aviadenovirus: , Avibirnavirus: , Avihepadnavirus: , Avihepatovirus: , Avipoxvirus: , Avisivirus: , Avsunviroid: , Avsunviroidae , Avulavirus: