Epidemiology Flashcards
Pasteurella multocida
Cat bite
Onchocerca volvulus
blackfly bite
Capnocytophaga canimorsus
Dog bite
Streptobacillus moniliformis
Rat bite
Bacillus anthracis
herbivores: cattle, sheep, goats, horses
Human bite wound
Eikenella corrodens
Sporothrix schenckii
plant material, rosebush thorns, wood splinter
Mycetoma, Lobomycosis, Phaeomycotic cyst
plant material exposure
Fecal contamination
Enterovirus
Microorganism associated w/ Erythema Infectiosum
HPV B19
Microorganism associated w/ Measles/Rubeola
Measles
Microorganism associated w/ 3-day Measles
Rubella
Microorganism associated w/ Enteroviral infection
ECHO, Coxsackie, Enterovirus 68-71
Microorganism associated w/ Cold Sores
HSV-1/2
Microorganism associated w/ Chickenpox
VZV (or HHV-3)
Microorganism associated w/ Exanthem Subitum
HHV-6/7
Microorganism associated w/ Kaposi Sarcoma
HHV-8
Microorganism associated w/ Variola major
Smallpox
Microorganism associated w/ Mumps
Mumps
Microorganism associated w/ Meningococcemia
N. meningitis
Microorganism associated w/ Epidemic impetigo
S. pyogenes
Microorganism associated w/ Dermatomycosis
Candida albicans
Microorganism associated w/ Ecthyma
S. pyogenes
Microorganism associated w/ Erysipelas
S. pyogenes
Which viral infections can be passed in utero?
HPV B19, Measles, Rubella, ECHO, HSV-1/2, VZV
Salt-water exposure cellulitis
Vibrio vulnificus
Fresh-water exposure cellulitis
Aeromonas, P. aeruginosa
Flooding fresh water cellulitis
Aeromonas
Hot tub cellulitis
P. aeruginosa
Human bite cellulitis
Eikenella corrodens
w/in 72 hrs of surgery predisposes to cellulitis
Staph aureus (2-3d post-surgery), GAS & GBS, C. perfringens type A
“fish tank cellulitis”
M. marinum
Pedicure exposure predisposes to cellulitis
M. fortuitum, M. abscessus, M. chelonae
Scarlet fever is mediated by
S. pyogenes exotoxins - SPE
Clostridial Myonecrosis is mediated by
C. perfringens type A exotoxins - PLC and Perfringolysin
SSSS is mediated by
single loci of S. aureus and disseminated exotoxin
Bullous impetigo is mediated by
S. aureus exfoliatin exotoxin
T cell suppression is required for which infection
Cryptococcosis
PMN suppression is required for
Mucormycosis
Superantigens are involved in which diseases
Scarlet fever and STSS (S. pyogenes)
ssRNA viruses include:
Measles, Rubella, Non-polio enterovirus
DNA viruses include
HPV B19 (ssDNA), Smallpox, VZV
Fluoresces w/ Wood’s Lamp
Microsporum, Malassezia furfur, Erythrasma (C. minutissimum - red)
Guarnieri bodies
black intracytoplasmic inclusions on Silver stain
Smallpox
Cowdry type A
intranuclear inclusions seen with VZV or Herpes virus
FAT and giant cell formation
Measles
Cause of foruncles, carbuncles, and folliculitis
S. aureus
Cause of Epidemic Impetigo
S. aureus and S. pyogenes
Cause of Scarlet Fever
S. pyogenes
Cause of Bullous impetigo
S. aureus
Cause of SSSS/Ritter’s Disease
S. aureus
Treatment for Anthrax
Fluoroquinolones
Treatment for Erysipelas, Cellulitis
Cefazolin, Ceftriazone (should cover for Staph and Strep)
Treatment for complicated Cellulitis
Levofloxacin
Treatment for Zoster
acyclovir, famciclovir, valacyclovir, VZIG for post-exposure prophylaxis
Smallpox Treatment
Cidofovir
Microorganism associated w/ Black piedra
Piedra hortai
Microorganism associated w/ White piedra
Trichosporon beigelii
Treatment for Sporotrichosis
Itraconazole; Amphotericin B in AIDS pts
Tracking along lymphatics
Sporotrichosis
Painless black eschar
Anthrax
Painful black eschar
P. aeruginosa - Ecthyma gangrenosum
Monomicrobic Necrotizing Fasciitis is usually caused by
Invasive GAS (serotype M1)
Clostridial Myonecrosis - atraumatic
Clostridium septicum
Tinea capitis is caused by which agents in the US primarily
M. audouinii and M. canis
Involves the lymphatics
Sporotrichosis and Erysipelas
Mycetoma causes
Actinomyces israelii and many others
Diabetic foot ulcer causes
B. fragilis, etc