Virus Chart Flashcards
Poliovirus
- Genetic Information:*
- Major Disease:*
- Transmission:*
- Diagnosis:*
- Basics of Pathogenesisi:*
- Vaccines:*
- Anti-viral Therapy:*
- Long-term Consequences:*
(picornaviridae family)
+ ss RNA
Poliomyelitis
fecal-oral
sequencing by RT-PCR by the CDC
Vireia, invasion of the CNS, lytic destruction of anterior horn cells
Live-attenuated oral, killed-virus inection
NO anti-viral therapy
Long-lived protective immunity or paralysis
Coxsackie Virus
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesisi:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(picornaviridae)
+ SS RNA
Hand, foot and mouth disease
Fecal-oral
Clinical diagnosis or RT-PCR
Viremia, target skin, cell death
No vaccines
No anti-viral therapy
Long-lived protective immunity
D68
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
+ ss RNA
Respiratory infection
Respiratory and contact with contaminated surfaces
PCR and/or isolate virus and culture for cytopathic effect
Viremia –> RTI
No vaccines
Pleoconaril (severe cases)
Long-lived protective immunity
Hep A Virus
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(pico family)
+ ss RNA
Hepatitis
fecal-oral
IgM serology by antibody capture
Viremia, target liver
Killed Virus Vaccine
(vaccine during prodrone period of infection)
Long-lived protective immunity
Rotavirus
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(Reovirus family)
DS Segmented RNA
Diarrhea (#1)
Fecal Oral
Viral antigen in stoll detected by EIA
Local replication, enterotoxin production
2 Vaccines: Rotateq and Rotaric
No anti-viral therapy
Short-term immunity, less severe re-infection
Noroviruses (norwalk)
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(Calicivirus family / norwalk)
+ ss RNA
Diarrhea
fecal-oral
RT-PCR by film array
Lysis and shedding of epithelial cells
No vaccines
No anti-viral therapy
Type specific immunity
Influenza Virus
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(Orthomyxovirus)
- RNA, segmented enveloped
“The flu”
Respiratory
Film array RT-PCR assay
Local replication in respiratory tract, necrosis of epithelial cells
2: Life-attenuated and killed-virus
Amantidine, neuroaminidase inhibitors
Annual reinfection due to antigenic shift and drift
Rhinoviruses
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(Pico)
+ RNA
common cold
Respiratory
film array RT-PCR assay
Lytic replication in the respiratory epithelium
no vaccines
no anti-viral therapy
type-specific immunity
Respiratory Syncytial Virus (RSV)
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(paramyxovirus family)
- ss RNA, enveloped
Severe lower respiratory tract infection in children
Respiratory
Film array RT-PCR assay
Local replication in respiratory tract, necrosis of epithelial cells
Vaccines-preventative monoclonal antibody, palivizumab
No anti-viral therapy
short-term immunity; less severe re-infection
Parainfluenza Virus
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(paramyxovirus)
-ss RNA, enveloped
Croup
Respiratory
Clinical Dx, RT-PCR
Local rep in respiratory tract, necrosis of epithelial cells
NO vaccines
TX: glucocorticoids for severe cases
short-term immunity
Mumps Virus
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(Paramyxovirus)
- ss RNA, enveloped
Mumps
Respiratory (befor the parotitis)
Clinical dx, confirmed by serology or sequencing performed by public health dept
Replication in respiratory tract, viremia, targeting parotid gland
Vaccine: Live-attenuated / MMR
No therapy
Long-term immunity
Rubella Virus
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
(Togavirus Group)
+ ss RNA, enveloped
dz: rubella, german measles (congenital rubella syndrome)
Respiratory, mother to fetus (torches infection)
dx: serology
Replication in respiratory tract, viremia, rash
Live-atenuated vaccine / MMR
No therapy
Long-term immunity, congenital rubella syndrome
Parvovirus
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
ss DNA
Erythemia infectiosums (5th disease) / slap rash / tOrches infection
Respiratory
Clinical dz, serology or PCR of serum from aplastic crisis
Replicates in erythroid precursor nuclei
NO vaccines
Tx: IV-IG for aplastic crisis in immunocomp pt
Long-term immunity
HIV:
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
+RNA lentivirus
progress to AIDS
Mother to child (torcHes), transfusion, IVDA, sexual
Srology + confirmation by western blot; RT-PCR for viral load in response to HAART; sequencing to look fordrug resistance
Depletion of CD4+ T cells
NO vaccine
HAART - mutiple RT-inhibitors and protease inhibitors
Suseptability to opportunisitic infections, progression to AIDS, death
Herpes Simplex Virus 1:
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
DNA, enveloped
Cold sores, encephalitis
Contact
clinical pres or PCR from infected tissue
Replicated in epithelia, latenti in trigeminal ganglia, reactivation
no vaccines
acyclovir and priteliver
Latent infection with recurrence
Herpes Simplex Virus II
Genetic Information:
Major Disease:
Transmission:
Diagnosis:
Basics of Pathogenesis:
Vaccines:
Anti-viral Therapy:
Long-term Consequences:
DNA enveloped
Genital lesions, Neonatal herpes
Contact
Clinical presentation, PCR of infected tissue, culture virus from lesion
Replicated in epithelia, latent in sacral ganglia, reactivation
No vaccines
Tx: acyclovir, Priteliver
Latent infection w/recurrence, neonatal death or neurological impairment or death
