| Subject | English | Spanish |
| med. | amount of viral RNA | tasa de ARN vírico |
| med. | average viral load | carga viral mediana |
| UN, AIDS. | baseline viral load | valor de base de la carga vírica |
| UN, AIDS. | baseline viral load | valor de referencia de la carga vírica |
| health., anim.husb. | bovine viral diarrhoea | diarrea viral bovina |
| health., anim.husb. | bovine viral diarrhoea | enfermedad de las mucosas |
| health., anim.husb. | bovine viral diarrhoea | diarrea vírica bovina |
| vet.med. | bovine viral diarrhoea | DVB |
| health., anim.husb. | bovine viral leukosis | leucosis bovina enzoótica |
| health. | controlled viral growth | crecimiento moderado |
| vet.med. | duck viral enteritis | peste del pato |
| nat.sc., health., anim.husb. | duck viral enteritis | enteritis viral del pato |
| vet.med. | duck viral hepatitis | hepatitis viral del pato |
| health. | Ebola-Marburg viral disease | enfermedad vírica de Ebola-Marburg |
| health., nat.res. | equine viral arteritis | arteritis infecciosa equina |
| health., nat.res. | equine viral arteritis | arteritis equina viral |
| health., anim.husb. | equine viral arteritis | arteritis viral equina AVE |
| med. | equine viral encephalomyelitis | encefalomielitis equina |
| med. | fulminant viral hepatitis | hepatitis fulminante |
| health. | hanta viral diseases | enfermedades causadas por el virus Hanta |
| med. | high viral load | carga viral alta |
| med. | low viral load | carga viral baja |
| UN, AIDS. | median HIV plasma viral load | carga vírica mediana (de VIH en la sangre) |
| gen. | product free of viral contaminants | producto sin contaminación viral |
| UN, AIDS. | rebound in viral load | aumento de la carga viral |
| med. | reduction in viral load | reducción de la carga viral |
| med. | reduction in viral load | reducción de carga viral |
| agric., health., anim.husb. | Venezuelan equine viral encephalomyelitis | encefalomielitis equina venezolana |
| health. | viral abortion of mares | aborto de virus de las yeguas (nosogenum:Herpesvirus equinus, rhinopneumonitis) |
| fish.farm., vet.med. | viral aetiology | etiología viral |
| health. | viral antigen | antígeno vírico |
| health., nat.res., agric. | viral arteritis | arteritis viral |
| med. | viral arthritis | artritis vírica |
| med. | viral arthritis | artritis viral |
| agric. | viral arthritis/encephalitis | artritis encefalitis viral |
| med. | viral bronchitis | bronquitis viral |
| med. | viral burden | carga vírica |
| med. | viral-capsid antigen | antígeno de la cápside vírica |
| commun. | viral clip | vídeo viral |
| health. | viral component | componente del virus |
| health., life.sc. | viral disease | virosis |
| health., life.sc. | viral disease | enfermedad virótica |
| health. | viral disease | enfermedad vírica |
| health., life.sc. | viral disease | enfermedad de virus |
| health., nat.sc., engl. | viral DNA | provirus |
| health., nat.sc. | viral DNA | ADN vírico |
| health., nat.sc. | viral DNA | ADN retrovírico integrado |
| health., nat.sc. | viral DNA | profago |
| health. | viral DNA | ADN viral |
| health., agric. | viral enteritis of mink | enteritis viral del visón |
| med., life.sc. | viral envelope | envoltura vírica |
| med., life.sc. | viral envelope | cubierta vírica |
| health., agric. | viral equine encephalomyelitis | encefalomielitis viral equina |
| vet.med. | viral haemorrhagic disease of rabbits | enfermedad hemorrágica viral del conejo |
| agric., health., anim.husb. | viral haemorrhagic disease of rabbits | enfermedad hemorrágica del conejo |
| health. | viral haemorrhagic fever | fiebre hemorrágica |
| health. | viral haemorrhagic fever | fiebre hemorrágica viral |
| health., anim.husb., fish.farm. | viral haemorrhagic septicaemia | septicemia hemorrágica viral |
| vet.med. | viral haemorrhagic septicaemia of rainbow trout | septicemia hemorrágica viral de la trucha arcoiris |
| med. | viral hemagglutination | hemoaglutinación viral |
| health. | viral hemorrhagic fever | fiebre hemorrágica viral |
| health. | viral hepatitis | hepatitis viral |
| health. | viral hepatitis | hepatitis vírica |
| med. | viral hepatitis type A | hepatitis A |
| med. | viral hepatitis type A | hepatitis por virus A |
| health. | viral inactivation | inactivación viral |
| dialys. | viral infection | infección vírica |
| health. | viral infection | infección viral |
| med. | viral integration in the genome | integración de los virus en el genoma |
| UN, AIDS. | viral load or viral burden | carga vírica |
| med. | viral load | carga vírica |
| med. | viral load detectable again | nueva detección de la carga viral |
| UN, AIDS. | viral load nadir | nadir de la carga viral |
| UN, AIDS. | viral load nadir | nadir de la carga viral plasmática |
| UN, AIDS. | viral load rebound | aumento de la carga viral |
| health. | viral load testing | prueba de carga viral |
| med. | viral meningitis | meningitis viral (meningitis aseptica, meningitis serosa) |
| UN, AIDS. | viral nucleic acid | ácido nucleico viral |
| health., nat.sc. | viral nucleic acid | ácido nucleico vírico |
| life.sc. | viral occlusion body | cuerpo oclusivo |
| health. | viral oncogene | oncogén vírico |
| med. | viral oncogene | oncogén viral |
| med. | viral p24 antigenemia | antigenemia viral p24 |
| med. | viral p24 antigenemia | antigenemia VIH |
| health., nat.sc. | viral particle | virión |
| med. | viral pneumonia | neumonía virosa |
| med. | viral pneumonia | neumonía virus |
| health., nat.sc. | viral protein | proteína vírica |
| health., nat.sc. | viral protein | proteína del virión |
| health. | viral-protein synthesis | sintesis de proteínas víricas |
| UN, AIDS. | viral rebound | aumento de la carga viral |
| health., nat.sc. | viral replication | replicación del virus |
| med., life.sc. | viral replication | replicación vírica |
| med., life.sc. | viral replication | replicación viral |
| health. | viral replicative cycle | ciclo de replicación vírica |
| med. | viral resistance | resistencia vírica |
| virol. | viral respiratory diseases | virosis respiratorias |
| health. | viral sequence | secuencia vírica |
| dialys. | viral serology | serologia vírica |
| med. | viral strain | cepa vírica |
| UN, AIDS. | viral strains | cepas víricas |
| UN, AIDS. | viral strains | cepas de virus |
| med. | viral tumour | tumor causado por infección vírica |
| med. | viral variant | variante del virus |
| med. | viral vector | vector viral |
| commun. | viral video | vídeo viral |
| commun. | viral video clip | vídeo viral |
