7 Facts of each virus Flashcards
What is the memory hook for poliovirus?
The Flamingo Breeding Pool
What type of genetic information does poliovirus have?
ss RNA
What is the major dz of poliovirus?
Poliomyelitis
What is the transmission of Poliovirus?
Fecal-oral
Diagnosis of poliovirus
Sequencing by RT-PCR by the CDC
Pathogenesis of poliovirus
Viremia –> invasion of the CNS –> Lytic destruction of anterior horn cells
Vaccines for poliovirus
Live-attenuated oral/killed-virus injection
Anti-viral therapy for poliovirus
None
Consequences of poliovirus
Long lived protective immunity or paralysis
What is the memory hook for Coxsackie A virus?
Coxsackie Cockatoos
What type of gen. info does the Coxsackie virus have?
ssRNA
What dz is associated with Coxsackie virus?
Hand, Foot, and Mouth disease
What is the transmission for Coxsackie virus?
Fecal-Oral
Diagnosis of Coxsackie virus
Clinical dx or RT-PCR
Pathogenesis of Coxsackie virus
Viremia –> target skin –> cell death
Vaccines for Coxsackie virus
None
Anti-viral therapy for Coxsackie virus
None
Consequence of Coxsackie virus
Long-lived protective immunity
D68 memory hook
The Peak-Orna Animal Nursery
What type of gen. info does D68 have?
ssRNA
Dz of D68
Resp. Inf.
Transmission of D68
Resp. and contact with contaminated surfaces
Dx of D68
PCR and/or isolate virus and culture for cytopathic effect
Pathogenesis of D68
Viremia leading to resp. tract inf.
Vaccines for D68
NONE
Anti-viral’s for D68
Pleconaril (severe cases)
Consequences of D68
Long lived protective immunity
Hepatitis A virus memory hook
Hungry Hungry Hep A Hippos
What type of gen info does Hep A have?
ssRNA
Dz of Hep A
Hepatitis
Transmission of Hep A
Fecal-Oral
Dx of Hep A
IgM serology by antibody capture
Pathogenesis of Hep A
Viremia –> Target Liver
Vaccines for Hep A
Killed virus
Anti viral therapy for Hep A
Vaccine during prodrome period of infx
Consequence for Hep A
Long lived protective immunity
Rotavirus memory hook
A Race on the Rio
What type of gen info does Rotavirus have?
DS segmented RNA
Dz for Rotavirus
Diarrhea
Transmission for Rotavirus
Fecal-Oral
Pathogenesis for Rotavirus
Local replication, enterotoxin production
Vaccines for Rotavirus
Rotateq: live attenuated pentavalent vaccine
Rotarix: live attenuated vaccine against one genotype (more commonly given because fewer doses req.)
Anti viral therapy for Rotavirus
None
Consequence of Rotavirus
Short term immunity, less severe reinfx.
Norovirus memory hook
Cali Sea Cruise
What type of gen info does Norovirus have?
ssRNA
Dz of Norovirus
Diarrhea
Transmission of Norovirus
Fecal-oral
Dx of Norovirus
RT-PCR by film array
Pathogenesis of Norovirus
Lysis and shedding of epithelial cells
Vaccines for Norovirus
None
Anti-viral therapy for Norovirus
None
Consequences of Norovirus
Type specific immunity
Influenza virus memory hook
A Night shift at the Orthodontist’s
What type of gen info does Influenza virus have?
neg RNA segmented enveloped
Dz of Influenza virus
The Flu
Transmission of Influenza virus
Respiratory
Dx of Influenza virus
Film array by RT-PCR
Pathogenesis of Influenza virus
Local replication in resp. tract, necrosis of epithelial cells
Vaccines for Influenza virus
Live attenuated/killed virus
Anti-virals for Influenza virus
Amantadine or Neuraminidase inhibitors
Consequences of Influenza virus
Annual reinfection due to antigenic shift and and drift
Rhinovirus memory hook
Paranormal mixer
What type of gen info does Rhinovirus have?
pos RNA
Dz of Rhinovirus
Common cold
Transmission of Rhinovirus
Respiratory, fomites
Dx of Rhinovirus
Film array RT-PCR assay
Pathogenesis of Rhinovirus
Lytic replication in the resp. epithelium
Vaccines for Rhinovirus
None
Anti-viral therapy for Rhinovirus
None
Consequence of Rhinoviruses
Type Specific immunity
Respiratory Syncytial Virus memory hook
Paranormal mixer
What type of gen info does RSV have?
neg RNA enveloped
Dz of RSV
Severe lower resp. tract infx. in children
Transmission of RSV
Respiratory
Dx of RSV
Film array RT-PCR assay
Pathogenesis of RSV
Local replication in resp. tract, necrosis of epithelial cells
Vaccine for RSV
Preventative monoclonal abx, Palivizumab
Anti viral for RSV
None
Consequences of RSV
Short term immunity, less severe reinfection
Parainfluenza virus memory hook
Paranormal mixer
What type of gen info does Parainfluenza have?
neg RNA enveloped
Dz of Parainfluenza
Croup
Transmission fo Parainfluenza
Respiratory
Dx of Parainfluenza
Clinical dx or RT-PCR
Pathogenesis of Parainfluenza
Local replication in resp tract, necrosis of epithelial cells
Vaccines for Parainfluenza
None
Anti virals for Parainfluenza?
Glucocorticoids for severe cases of Croup
Consequences of Parainfluenza
Short term immunity
Mumps memory hook
Paranormal Mixer
What type of gen info does Mumps have?
neg RNA enveloped
Trans of Mumps
Resp (before Paratitis)
Dz of mumps
Mumps
Dx of Mumps
Clinical, confirmed by serology or sequencing performed by public health dept.
Pathogenesis of Mumps
Replication in resp. tract, viremia, targeting parotid gland
Vaccine for Mumps
Live-attenuated, MMR
Anti viral for Mumps
None
Consequences of Mumps
Long-term immunity
Measles memory hook
Paranormal mixer
What type of gen info does Measles have?
neg RNA enveloped
Trans for Measles
Respiratory
Dx of Measles
Clinical, confirmed by serology or sequencing performed by public health dept.
Pathogenesis of Measles
Replication in resp tract, viremia, rash
Dz of Measles
Measles
Vaccines for Measles
Live attenuated, MMR
Anti viral for Measles
None
Consequence of Measles
Long term immunity, SSPE
Rubella memory hook
Toga-toga-toga virus
What type of gen info does Rubella have?
reg RNA enveloped
Dz of Rubella
German measles
Transmission of Rubella
- Respiratory
- Mother to Fetus
Dx of Rubella
Serology
Pathogenesis of Rubella
Replication in resp tract, viremia, rash
Vaccines for Rubella
Live attenuated MMR
Anti virals for Rubella
Long term immunity/Congenital Rubella syndrome
Parvovirus B19
Bombs Away
What type of gen info does Parvo virus B19 have?
ssDNA
Dz of Parvovirus B19
Erythema Infectiosums (Fifth disease)
Transmission of parvovirus B19
Resp
Dx of Parvovirus B19
Clinical dx/serology or PCR of serum from aplastic crisis
Pathogenesis of Parvovirus B19
Replicates in Erythroid precursor nuclei
Vaccines for Parvovirus B19
None
Anti virals for Parvovirus B19
IV Ig for aplastic crisis in immunocompromised patients
Consequence of Parvovirus B19
Long tem immunity
HIV memory hook
One Cane to Rule them all
What type of gen info does HIV have?
posRNA Lentivirus
Dz of HIV
Progress to AIDS
Trans of HIV
Mother to Child, transfusion, IV drug abuse, sexual
Dx of HIV
Serology and confirmation by western blot; RT-PCR for viral load in response to HAART; sequencing to look for drug resistance
Pathogenesis of HIV
Depletion of CD4 T cells
Vaccines for HIV
None
Antiviral therapy for HIV
HAART, multiple RT-inhibitors and protease inhibitors
Consequence of HIV
Susceptibility to opportunistic infx., progression to AIDS, death
Herpes Simplex Virus I memory hook
Herpes Hermes
What type of gen info does HSV I have?
DNA enveloped
Dz of HSV I
Cold sores/encephalitis
Trans of HSV I/II
Contact
Dx of HSV I/II
Clinical Dx, PCR the infected tissue, culture virus from lesion
Pathogenesis of HSV I
Replicates in epithelia, latent in trigeminal ganglia, reactivation
Vaccines for HSV I/II
None
Antivirals for HSV I/II
Acyclovir and Priteliver
Consequence of HSV I
Latent infx with recurrence
Dz of HSV II
Genital lesions, Neonatal Herpes
Pathogenesis of HSV II
Replicates in epithelia, latent in sacral ganglia, reactivation
Consequences of HSV II
Latent infx with recurrence, Neonatal death or neurological impairment or death
Varicella-Zoster Virus memory hook
Varicella Zeus-ter Virus
What type of gen info does VZV have?
DNA enveloped
Dz of VZV
Chicken pox/Shingles
Trans of VZV
Resp
Dx of VZV
Clinical Dx