phage
A virus that is parasitic on bacteria.

phagemid
A phage whose genome contains a plasmid that can be removed during the infection of a host with a second, "helper" phage.

phagemids
plural of phagemid

phages
plural of phage

phagosensor
A phage-based biosensor

phagosensors
plural of phagosensor

phenuivirus
Any RNA virus of the family Phenuiviridae

phenuiviruses
plural of phenuivirus

phlebovirus
Any of the genus Phlebovirus of viruses in the family Bunyaviridae.

phleboviruses
plural of phlebovirus

phycodnavirus
Any member of the virus genus Phycodnavirus, now Chlorovirus, and other viruses in family Phycodnaviridae.

phycodnaviruses
plural of phycodnavirus

phycovirus
Any virus associated with algae

phycoviruses
plural of phycovirus

phytoreovirus
Any virus of the genus Phytoreovirus.

phytoreoviruses
plural of phytoreovirus

phytovirus
A plant virus.

phytoviruses
plural of phytovirus

picobirnavirus
Any of the genus Picobirnavirus of dsRNA viruses infecting certain mammals

picobirnaviruses
plural of picobirnavirus

piconavirus
Misspelling of picornavirus.

picornavirus
Any of the family Picornaviridae of RNA viruses, many of which are pathogenic, causing diseases such as polio, foot-and-mouth disease, and many varieties of the common cold.

picornaviruses
plural of picornavirus

pithovirus
Any of the genus Pithovirus of giant viruses known from one species, Pithovirus sibericum, which infects amoebas.

pithoviruses
plural of pithovirus

pneumophage
A bacteriophage that counters bacterial infection of the lungs

pneumophages
plural of pneumophage

pneumovirus
Any virus of the genus Pneumovirus or of the family Pneumoviridae.

pneumoviruses
plural of pneumovirus

poacevirus
Any virus of the genus Poacevirus

poaceviruses
plural of poacevirus

podophage
Any bacteriophage of the family Podoviridae

podophages
plural of podophage

podovirus
Any of a group of bacterial DNA viruses, of the genus Podovirus

podoviruses
plural of podovirus

polerovirus
Any member of the plant virus genus Polerovirus in the family Luteoviridae.

poleroviruses
plural of polerovirus

poliomavirus
Any virus of the family Polyomaviridae

poliomaviruses
plural of poliomavirus

poliovirion
An individual particle (virion)) of a poliovirus

poliovirions
plural of poliovirion

polydnavirion
The virion of a polydnavirus

polydnavirions
plural of polydnavirion

polydnavirus
An insect virus of family Polydnaviridae that integrates itself inside a wasp genome.

polydnaviruses
plural of polydnavirus

polyhedrovirus
nuclear polyhedrosis virus

polyhedroviruses
plural of polyhedrovirus

porprismacovirus
Any DNA virus of the genus Porprismacovirus

porprismacoviruses
plural of porprismacovirus

posavirus
Any of the porcine stool-associated RNA viruses, sometimes considered species of genus Posavirus, unplaced in order Picornavirales.

posaviruses
plural of posavirus

potexvirus
Any of the genus Potexvirus of plant pathogenic viruses of the family Alphaflexiviridae.

potexviruses
plural of potexvirus

potyvirid
Any virus in the family Potyviridae.

potyvirids
plural of potyvirid

potyvirus
Any of many plant viruses of the genus Potyvirus

potyviruses
plural of potyvirus

poxvirion
The virion of a poxvirus

poxvirions
plural of poxvirion

poxvirus
Any of a group of DNA viruses, of the family Poxviridae, that cause pox diseases in vertebrates

poxviruses
plural of poxvirus

prasinovirus
Any virus of the genus Prasinovirus

prasinoviruses
plural of prasinovirus

previrion
A subviral particle

previrions
plural of previrion

protoparvovirus
Any virus of the genus Protoparvovirus

protoparvoviruses
plural of protoparvovirus

protovirus
A DNA sequence capable of mutating into an oncogenic virus, proposed as a hypothesis to explain the origin of ribodeoxyviruses as arising from normal cellular components.

protoviruses
plural of protovirus

provirion
A structure that develops into a virion

provirions
plural of provirion

provirus
A virus genome, such as HIV, that integrates itself into the DNA of a host cell so as to be passively replicated along with the host genome.

proviruses
plural of provirus

prymnesiovirus
Any virus of the genus Prymnesiovirus, that have algal hosts

prymnesioviruses
plural of prymnesiovirus

pseudolysogen
A phage that undergoes pseudolysogeny

pseudolysogens
plural of pseudolysogen

pseudorabiesvirus
The virus responsible for pseudorabies

pseudorabiesviruses
plural of pseudorabiesvirus

pseudovirus
Any of the family Pseudoviridae of viruses.

pseudoviruses
plural of pseudovirus

quadrivirus
Any RNA virus of the family Quadriviridae

quadriviruses
plural of quadrivirus

ranavirus
Any virus of the genus Ranavirus, many of which cause disease in amphibians

ranaviruses
plural of ranavirus

raphidovirus
Any virus of the genus Raphidovirus

raphidoviruses
plural of raphidovirus

reassortant
Having genetic material from two or more similar viruses.

reassortants
plural of reassortant

reovirion
The virion of a reovirus

reovirions
plural of reovirion

reovirus
Any of a group of RNA viruses, of the family Reoviridae, that infect animals and some plants

reoviruses
plural of reovirus

reptarenavirus
Any virus of the genus Reptarenavirus

reptarenaviruses
plural of reptarenavirus

respirovirus
Any virus, of the genus Respirovirus responsible for diseases of the respiratory tract

respiroviruses
plural of respirovirus

retrovaccine
The virus produced in cows by retrovaccination.

retrovirion
A virion of a retrovirus

retrovirions
plural of retrovirion

retrovirus
Any of a group of viruses which insert a copy of their RNA genome into the DNA of a host cell, thus changing the genome of that cell.
A computer virus that seeks to attack antivirus programs in an attempt to avoid detection.

retroviruses
plural of retrovirus

rhabdovirus
Any of the rod-shaped viruses belonging to the family Rhabdoviridae.

rhabdoviruses
plural of rhabdovirus

rhabovirus
Misspelling of rhabdovirus.

rheovirus
Misspelling of reovirus.

rhinovirus
Any of many common infectious RNA viruses, of the genus Rhinovirus, that cause disorders such as the common cold.

rhinoviruses
plural of rhinovirus

ribodeoxyvirus
A virus whose virion contains both RNA and DNA

ribodeoxyviruses
plural of ribodeoxyvirus

ribovirus
An RNA virus other than a retrovirus

riboviruses
plural of ribovirus

robovirus
Any virus that is transmitted by an rodent.

roboviruses
plural of robovirus

ronivirus
Any virus of the family Roniviridae that typically infect crustaceans

roniviruses
plural of ronivirus

roseolovirus
Any member of the genus Roseolovirus of viruses (HHV-6A, HHV-6B and HHV-7), causing roseola.

roseoloviruses
plural of roseolovirus

roseophage
Any virus that is parasitic to bacteria of the genus Roseobacter

roseophages
plural of roseophage

rotavirion
An individual particle of a rotavirus.

rotavirions
plural of rotavirion

rotavirus
Any of a group of wheel-shaped viruses, of the genus Rotavirus, that causes gastroenteritis and diarrhea in children and animals.

rotaviruses
plural of rotavirus

rotovirus
Misspelling of rotavirus.

rubivirus
Any member of the genus Rubivirus; a rubella virus.

rubiviruses
plural of rubivirus

rubulavirus
Any member of the genus Rubulavirus of infectious viruses, including the mumps virus and parainfluenza types 2, 4a and 4b

rubulaviruses
plural of rubulavirus

rudivirus
Any virus of the genus Rudivirus

rudiviruses
plural of rudivirus

rymovirus
Any virus of the genus Rymovirus

rymoviruses
plural of rymovirus

salasvirus
A phi29-like virus

salivirus
Any virus of the genus Salivirus

saliviruses
plural of salivirus

sapelovirus
Any virus of the genus Sapelovirus

sapeloviruses
plural of sapelovirus

sapovirus
Any virus of the genus Sapovirus

sapoviruses
plural of sapovirus

sarbecovirus
Any coronavirus of the subgenus Sarbecovirus.

sarbecoviruses
plural of sarbecovirus

seadornavirus
Any member of the genus Seadornavirus of viruses in the family Reoviridae.