Virology Summarized Flashcards
A virus without an envelope is called a ______ virus.
naked
-just has a capsid
the capsid together with the nucleic acids of a virus
nucleocapsid
Which is more infectious?
naked or enveloped viruses? Why?
naked viruses
immune system cannot detect it as easily (more hidden)
Difference between positive and negative sense RNA?
positive can act as a template right away,
positive comprises viral mRNA, which can be translated into proteins directly.
True or false:
If a virus has reverse transcriptase, it is less infectious.
false, more infectious!
Baltimore classification for dsDNA?
BC:1
ex: Herpes
Baltimore classification for ssDNA?
BC:2
ex: Parvo
Baltimore classification for dsDNA-RT?
BC: 7
ex: Hepadna (hep. B)
Baltimore classification for dsRNA?
BC: 3
ex: Reo (rota)
Baltimore classification for ssRNA (+)?
4
ex: Corona
Baltimore classification for ssRNA (-)?
5
ex: Paramyxo
Baltimore classification for ssRNA-RT?
6
ex: Retro
What are the dsDNA viruses?
Naked
Enveloped
naked: Polyoma, Papilloma, Adeno
Enveloped: Herpes, Pox, Irido, Asfar
What are the naked ssDNA viruses?
naked: parvo, Anello, Cicro
What are the dsDNA-RT viruses?
Enveloped: Hepadna
What are the dsRNA viruses?
Naked: Reo (rota), Birna, Pico
What are the ssRNA (+) viruses?
Naked and enveloped
Naked: Picorna (entero), Noda, Astro, Hepe (HEV)*, Calici (norovirus)
Enveloped: Corona, Flavi (HCV), Toga, Arteri
What are the ssRNA (-) viruses?
Enveloped: Paramyxo, Orthomyxo, Arena, Rhabdo, Filo, Bunya, Borna, Delta (HDV)
What are the ssRNA-RT viruses?
Enveloped: Retro
DNA virus:
what are the herpes viruses?
HSV-1, HSV-2, VZV (varicella: chickenpox, zoster: shingles),
EBV (infectious mononucleosis, Burkitt’s lymphoma) and CMV
DNA virus:
what are the pox viruses?
Pox: smallpox, monkeypox and molluscum contagiosum
DNA virus:
What are the Polyoma viruses?
Polyoma: Circular DNA and JC (John Cunningham) virus
DNA virus:
what are the Papilloma viruses? Symptoms
Papilloma: HPV, warts
DNA virus:
What are the Adeno viruses? Symptoms
Adeno: respiratory illness, conjunctivitis, gastroenteritis
DNA virus:
What are the Parvo viruses?
Parvo: Parvo virus B 19: Fetal Loss, erythema infectiosum (slapped cheek syndrome), Aplastic crisis
RNA viruses:
what are the Rotaviruses? Symptoms
Rotavirus: Gastroenteritis, common in daycares
RNA viruses:
what are the Picorna viruses?
Picorna: HAV, rhino, non-polio virus, poliovirus, coxasackievirus and ECHO virus
RNA viruses:
what are the Arbo viruses?
Arbo virus: Flavivirus, Togavirus and Bunyavirus: Neuro/non-neuroinvasive diseases
Yellow fever virus, west Nile virus, zika virus, dengue virus, japanes encephalitis virus are all…
Flavivirus
Ross River virus, Eastern equine virus, Wester equine virus are all…
Togavirus
California encephalitis, La Crosse virus, Jamestowm Canyon virus are all…
Bunyaviurs
-diarrhea, common acute gastroenteritis (cruise ships, daycares and schools, hospitals, long-term care facilities, resturants)
Norovirus:
Norwalk virus
Respiratory disease viruses:
-Hanta (Bunya) virus
-Orthomyxo (Influenza type A and B)
Norovirus, respiratory disease viruses, Rhabdovirus, and Retro viruses are all…
RNA viruses
also includes
-enterovirus (Rhinovirus, non-polio enterovirus),
-paramyxovirus (RSV and parainfluenza (1-4),
-cornona virus (SARS CoV-1, MERS, SARS CoV-2 )
Rabies (RABV) and vesicular stomatitis virus (VSV) are all…
Rhabdovirus (RNA)
HIV: targets CD4+T helper cells is what type of virus class?
Retro (RNA)
