Virology Flashcards
Mnemonic-Naked Viruses
NAKED CPR and PAPP smear
Calici
Picorna
Reo
Parvo
Adeno
Papilloma
Polyoma
Mnemonic-Segmented Genome
B-O-A-R Bunyaviruses Orthomyxoviruses (influenza) Arenaviruses Reoviruses
Mnemonic-Negative-Strand RNA Viruses
Always Bring Polymerase Or Fail Replication. Arenaviruses Bunyaviruses Paramyxoviruses Orthomyxoviruses Filoviruses Rhabdoviruses
Mnemonic-Live-Attenuated Vaccines
LIVE! One night only!
See your yellow chickens get vaccinated with Sabin’s and MMR
yellow fever, chicken fox (VZV), Sabin’s Polio,MMR
Mnemonics - Salk Polio Vaccine
SalK polio vaccine = Killed
Killed Vaccines RIP Always! Rabies Influeza Polio (Salk's) Hepatitis A
Mnemonics-DNA Viruses
DNA Viruses are HHAPPPPy viruses Hepadna Herpes Adeno Pox Parvo Polyoma Papilloma
All DNA viruses have doubled-stranded DNA EXCEPT
Parvovirus
All DNA virus have linear DNA EXCEPT
Papilloma
Polyoma and
Hepadna
All DNA viruses are icosahedral EXCEPT
Poxvirus
All DNA viruses replicate in the nucleus EXCEPT
Poxvirus
Parvovirus B19 is
MOT: respiratory transplacental
Oncogenic: No
Vaccine: No
Adenovirus is
MOT: respiratory, fecal-oral
Oncogenic: No
Vaccine: Yes
Human Papillomavirus is
MOT: sexual, skin contact
Oncogenic: Yes
Vaccine: Yes
What is the manifestation and route of transmission of HSV-1?
Primary Infection: Stomatitis
Recurrent Infection: Herpes labialis, encephalitis
Route of Transmission: Secretions and saliva
What is the manifestation and route of transmission of HSV-2?
Primary Infection: Herpes genitalis, perinatal infection
Recurrent Infection: Herpes genitalis
Route of Transmission: Sexual, Perinatal Infection
What is the manifestation and route of transmission of VZV?
Primary Infection: Varicella
Recurrent Infection: Zoster
Route of Transmission: Via respiratory secretions
What is the manifestation and route of transmission of EBV?
Primary Infection: Infectious Mononucleosis
Recurrent Infection: None
Route of Transmission: Via respiratory secretions and Saliva
What is the manifestation and route of transmission of CMV?
Primary Infection: Congenital, Mononucleosis
Recurrent Infection:Asymptomatic shedding
Route of Transmission: Intrauterine, transfusions, sexual contact, secretions
What is the manifestation and route of transmission of HHV-8?
Primary Infection: Uncertain
Recurrent Infection: Kaposi’s sarcoma
Route of Transmission: Sexual or organ transplantation
Mnemonics-Herpesviruses
Get HERPES on a CHEVrolet! CMV HSV EBV VZV
Where is the site of latency for HSV-1 and HSV-2?
HSV-1 Trigeminal ganglia
HSV-2 Lumbosacral ganglia
Mnemonic-Tzanck Smear
Tzanck heavens I do not have herpes!
Uses of aspirin in pediatric diseases
Kawasaki
ARF
JRA
Mnemonics-Hepatitides
Hepatitis A = Asymptomatic
Hepatitis B = Blood-borne
Hepatitis C = Chronic, Cirrhosis, Carcinoma, Carriers
Hepatitis E = Enteric, Expectant mothers, Epidemics
The VOWELS (A and E) hit your BOWELS. Hepatitis A and E cause enteric infections.
Hepatitis B Profile
INCUBATION PERIOD
HBsAG: Positive
Anti-HBs: Negative
Anti-HBc: Negative
HBeAg: Positive
Hepatitis B Profile
ACUTE INFECTION
HBsAG: Positive
Anti-HBs: Negative
Anti-HBc: Positive IgM
HBeAg: Positive
Hepatitis B Profile
WINDOW PERIOD
HBsAG: Negative
Anti-HBs: Negative
Anti-HBc: Positive IgM
HBeAg: Negative
Hepatitis B Profile
COMPLETE RECOVERY
HBsAG: Negative
Anti-HBs: Positive
Anti-HBc: Positive IgG
HBeAg: Negative
Hepatitis B Profile
CHRONIC CARRIER
HBsAG: Positive
Anti-HBs: Negative
Anti-HBc: Positive IgG
HBeAg: Negative
Hepatitis B Profile
CHRONIC ACTIVE
HBsAG: Positive
Anti-HBs: Negative
Anti-HBc: Positive IgG
HBeAg: Positive
Hepatitis B Profile
VACCINATED
HBsAG: Negative
Anti-HBs: Positive
Anti-HBc: Negative
HBeAg: Negative
Mnemonics-RNA Viruses
I went to a RETRO TOGA party, where I drank FLAVored CORONA beer and ate HIPPY CALIfornia PICkles.
RETROvirus, TOGAvirus, FLAVivirus, CORONAvirus, HEPEvirus, CALIcivirus, PICornavirus
All RNA viruses have single-stranded DNA EXCEPT
Reovirus and Rotavirus
All DNA viruses replicate in the cytoplasm EXCEPT
Influenza and Retrovirus
Mnemonics-Picornaviridae
PERCHed on a PIC (peak). Poliovirus Echovirus Rhinovirus Coxsackievirus Hepatis A virus PICornaviridae
Mnemonic-Rhinovirus
RHINO has a runny nose.
Mnemonic-Rotavirus
Right Out The Anus
ROTAvirus causes diarrhea!
Mnemonics-Antigenic Shifts VS Drifts
Sudden Shift is more deadly than graDual Drift.
antigenic Shifts cause PANDEMICS
antigenic Drifts cause EPIDEMICS
Mnemonic-Paramyxoviruses
PaRaMyxoviruses Parainfluenza virus RSV Measles virus Mumps virus
Envelope Spikes
MEASLES
Hemagglutinin: +
Neuraminidase: -
Fusion Protein: +
Envelope Spikes
MUPMS
Hemagglutinin: +
Neuraminidase: +
Fusion Protein: +
Envelope Spikes
RSV
Hemagglutinin: -
Neuraminidase: -
Fusion Protein: +
Envelope Spikes
PARAINFLUENZA
Hemagglutinin: +
Neuraminidase: +
Fusion Protein: +
Mnemonics-Cardinal Manifestations of Measles
3 Cs Cough Coryza Conjunctivitis Koplik spots
Mnemonics-Mumps
Mupms makes your parotids and testes as big as POM-poms.
Parotitis
Orchitis
Meningitis (aseptic)
What is considered CATEGORY I in animal bites?
Touching or feeding animals, licks on the skin –> no treatment
What is considered CATEGORY II in animal bites?
Nibbling of uncovered skin, minor scratches or abrasions without bleeding, licks or broken skin –> vaccine
What is considered CATEGORY III in animal bites?
Single or Multiple transdermal bites or scratches, contamination of mucous membrane with saliva from licks; exposure to bat bites or scratches –> vaccine + Immunoglubulin
Mnemonic-Congenital Rubella Syndrome
5 Bs of Congenital Rubella Syndrome Bulag (cataracts) Bingi (sensorineural deafness) Bobo (mental retardation) Butas ang Puso (PDA) Blueberry Muffin (baby)
HIV structural genes:
gag
p24, p7 = Nucleocapsid
p17 = Matrix
HIV structural genes:
pol
reverse transcriptase = transcribes RNA genome into DNA
protease = cleaves precursor polypeptides
integrase = integrates viral DNA into host cell DNA
HIV structural genes:
env
gp120 = attachment to CD4 protein / Antigenicity changes rapidly gp41 = fusion with host cell
HIV regulatory genes:
tat
Protein: tat
Activation of transcription of viral genes
HIV regulatory genes:
rev
Protein: rev
Transport of late mRNAs to cytoplasm
HIV regulatory genes:
nef
Protein: nef Decrease CD4 and class I MHC proteins
HIV regulatory genes:
vif
Protein: vif
Enhances hypermutation
HIV regulatory genes:
vpr
Protein: vpr
Transport in nondividing cells
HIV regulatory genes:
vpu
Protein: vpu
Enhances virion release
AIDS-DEFINING ILLNESSES
CD4 <500
M.tuberculosis –> disseminated tuberculosis
HSV –> HSV esophagitis
C. albicans –> esophageal candidiasis
HHV-8 –> Kaposi’s sarcoma
AIDS-DEFINING ILLNESSES
CD4 <200
P. jiroveci --> PCP pneumonia T. gondii --> cerebral toxoplasmosis C. neoformans --> meningoencephalitis C. immitis --> coccidiodomycosis C. parvum --> chronic diarrhea
AIDS-DEFINING ILLNESSES
CD4 <50
M. avium –> invasive pulmonary disease
H. capsulatum –> histoplasmosis
CMV –> CMV retinitis