Fastidious gram negative rods

complex nutritional requirements

Gram negative pleomorphic rods
blood loving
fastidious/require hemin/nad/both for growth
hemin- X factor; Nad+- v factor
polysaccharide capsule/IgA proteases/pili

pathogen
encapsulated-invasive/type B- pneumonia/bacteremia/meningitis/cellulitis/otitis/septic arthritis
non encapsulated- otitis/conjunctivitis/sinusitis
transmitted by respiratory route
chocolate agar/pcr
prevent by vaccine/cephalosporin/amoxicillin/azithromycin

pink eye

chancroid- papules/painful ulcers/enlarged inguinal lymph nodes= suppuration

normal upper respiratory tract flora

gram negative rods/coccobacilli
epithelial cells in nasopharynx
exotoxin
whooping cough in children and infants
transmitted by respiratory droplets
nasopharynx/regan lowe agar/7 day incubation/pcr
prevent by vaccine/azithromycin

thin gram negative bacilli
lung loving
legionnaire's disease- pneumonia
transmitted by water droplets
Respiratory/urine/BCYE/pcr
macrolides (azithromycin)/ciprofloxacin

gram negative coccobacilli
undulant fever/chills/sweating/fatigue/weight loss
zoonosis/dairy products/lab acquired infection
blood/bone marrow/30 day incubation/serology/pcr
doxycycline with rifampin/animal vaccination

gram negative coccobacilli
tularemia- fever/chills/enlarged lymph nodes/ulcer at inoculation site/highly infectious and morbid
transmitted by rabbits/ticks/inhalation/lab acquired infection
depends on site/serology/culture with cysteine
gentamicin/avoid reservoirs

gram negative coccobacilli
localized cellulitis and lymphadenitis after animal bite/scratch
transmitted by dog and cat bites
collect from wound/culture/susceptible to penicillin
penicillin/cephalosporin/macrolides