Virology Flashcards
Live attenuated vaccines
Yellow fever
Chicken pox
Sabin polio
MMR
Killed vaccines
Rabies
Influenza
Polio salk
Hepa A
Recombinant vaccine
Hepa b
HPV
All DNA virus double stranded except
Parvovirus
All DNA are icosahedral and replicate in nucleus except
Pox virus
Naked DNA viruses
Parvovirus
Adenovirus
HPV
Slapped cheek dse
Erythema infectiosum (5th dse) Parvovirus b19
Causes aplastic crises in pt with sickle cell anemia, thalassemia, spherocytosis
Parvovirus B19
Chronic B19 infection causes
Pancytopenia
Only virus with fiber - penton fiber
Adenovirus
MCC of viral conjunctivitis
Adenovirus
Cowdry type b nuclear inclusions
Adenovirus
Poliovirus
Cytopathic effect of HPV
Koilocytes
MC viral STD
Genital warts condyloma accuminata due to HPV 6,11
Causes carcinoma of cervix, penis, anus, vulva
HPV 16, 18, 31, 33
Ttt for condyloma accuminata
Podophyllin
Imiquimod
Causes progressive multifocal leukoencephopathy
JC Polyoma virus
Enveloped DNA viruses
Herpes viruses
HHV 8
Herpesvirus
CMV
HSV
EBV
VZV
Latent site of HSV 1
Trigeminal ganglia
Latent site of HSV 2
Lumbosacral ganglia
Multinucleated cells on Tzanck smear
HSV
Cowdry type A
HSV
Temporal lobe encephalitis
HSV 1
DOC of HSV
Acyclovir
HSV 2 spectrum of dse
Genital herpes
Neonatal herpes
Aseptic meningitis
Latent site of VZV
Dorsal root ganglia
Multinucleated giant cells with intranuclear inclusions
VZV
Facial nerve paralysis due to involvement of geniculate ganglion; VZV
Ramsay hunt syndrome
Giant cells with owl’s eye inclusions
CMV
Impair assembly of MHC class 1 viral peptide complex
CMV
MCC of congenital abnormalities
CMV
Heterophil neg mononucleosis
CMV
MCC of blindness in AIDS
CMV retinitis
CD4
DOC for CMV
Gancyclovir
Causes blueberry muffin lesion
CMV
Rubella
Disseminated neuroblastoma
Malignancy of vascular endothelial cells
Kaposi sarcoma
Largest viruses
Small pox
Guarneri bodies
Intracytoplasmic eosinophilic inclusions
Small pox
Henderson peterson bodies
Molluscum contagiosum
Ttt for molluscum contagiosum
Cifodovir
Assoc with autoimmune vasculitides
Polyarteritis nodosa
Hepa viruses
Ttt for hepatitis
Interferon alpha
Lamivudine
All RNA viruses are single stranded except
Rotavirus (Reovirus)
Picornaviridae
PERCH
Polio Echo Rhino Coxsackie Hep A
Affects motor neurons in ant horn of SC causing flaccid paralysis
Poliovirus
Most common clinical form of poliovirus
Abortive poliomyelitis
Causes herpangina, hand foot and mouth dse. Hemorrhagic conjunctivitis
Coxsackie A
MCC of viral myocarditis
Coxsackie B
MCC of aseptic meningitis
Enteroviruses -Coxsackie
Most important test for Hepa A
Anti HAV IgM
Also known as enterovirus 72
Hepa A virus
Hepa virus high mortality in pregnant
Hepa E (caliciviridae)
MCC of nonbacterial GE in adults
Norwalk virus (norovirus)
MCC of childhood diarrhea
Rotavirus
Naked RNA
CPR
Picorna
Calici
Reo
Major antigens of influenza
Hemagglutinin
Neuroaminidase
MCC of RT infections
Influenza
Degrades protective layer of mucus in RT found in influenza
Cleaves sialic acid to release virus progeny
Neuraminidase
Initiates infection of cell by influenza
Neutralized by antibody
Hemagglutinin
Antigenic shifts causing pandemics
Influenza A
Epidemics due to antigenic drifts
Influenza B
DOC for influenza
Oseltamivir
Zanamivir
DOC for influenza A
Amantadine
Rimantidine
Paramyxoviruses
Envelope spikes
Parainfluenza
RSV
Measles
Mumps
Warthin finkleday bodies
Rubeola
SOD of mumps
Parotitis
Orchitis
Meningitis
Most Impt cause of pneumonia and bronchiolitus in infants
RSV
Ttt for RSV
Ribavirin
Causes croup with steeple sign
Inspiratory stridor
Parainfluenza 1 and 2
Ttt for croup
Racemic epinephrine
Bullet shaped enveloped virus
Rabies virus
Cause of early death in rabies
Early brainstem encephalitis
Virus with club shaped spikes
Coronavirus
Reservoir horseshoe bat
Intermediate host civet cat
Corona virus
Atypical pneumonia progressing to ARDS
SARS
In SARS, coronavirus attaches to what receptor
Ace 2 receptor
Non cavitary ground glass infiltrates
Sars
Breakbone fever
Dengue virus (flaviviridae)
Most prevalent blood borne antigen
Hepatitis C (flavivirus)
Dx test for hepa C
Anti HVC
HVC Rna
With liver specific microRNA
Hepatitis C
Hepatitis with highest chronic carrier rate
Hepatitis C
Main cause of essential mixed cryoglobulinemia
Hepatitis C
MC indication for liver transplantation
Hepatitis C
3 day rash with post LAD
Rubella (togaviridae)
Immune complex polyarthritis in adults
Rubella (togaviridae)
Congenital rubella syndrome assoc abnormalities
PDA Blueberry muffin rash Sensorineural hearing loss Cataracts MR
Converts single strand RNA to double strand dna
Reverse transcriptase
Major capsid protein in HIV
Serologic marker
Located in core
P24
HIV fusion protein with host cell
Gp41
HIV attachment protein interacts with CD4
Rapid change in antigenicity
Gp120
Directs entry of DNA provirus to nucleus
Essential for viral assembly
P17
Structural HIV genes
Gag
Pol
Env
Regulatory gene in HIV
Activation of transcription of viral genes
Tat
Regulatory gene in HIV that decreases CD4 and class 1 MHC proteins
Nef
Phase of seroconversion in HIV
Phase 2
Cause of chronic diarrhea in aids
C. Parvum
Aids illnesses CD4
CMV retinitis
M. Avium pulmo dse
Histoplasmosis
Aids illnesses CD4
Disseminated Tb
HSV esophagitis
Esophageal candidiasis
Kaposi’s sarcoma
Aids illnesses CD4
PCP pneumonia Cerebral toxoplasmosis Cryptococcus meningoenceph Coccidiomycoses - c. Immitis Chronic diarhhea - c. Parvum
For HIV prognostication
PCR
HAART
Two nucleoside inhibitors
Zidovudine lamivudine
Protease inhibitor
Indinavir
Retrovirus causing adult t cell leukemia and myelopathy
HTLV
Malignant t cells with flower shaped nucleus
HTLV
Thread like viruses
Longest viruses
Ebola
Flavivirus
Bird mosquito man cycle
Neuroinvasive dse
West nile virus
MCC of epidemic encephalitis
Japanese B encephalitis
Jap B virus transmitted by
Culex spp
Jap B enceph on CT scan
Thalamuc infarcts
Only live vaccine given to AIDS
MMR