Oil paint appearance on nutrient agar is seen in -
AStaphylococcus aureus
BStreptococcus pyogenes
CBordetella pertussis
DH. influenzae
Which of the following is NOT a virulence factor of Cryptococcus?
APolysaccharide capsule
BAbility to make melanin
CProduction of protease
DUrease production
A clinically depressed farmer complains of extreme weakness, a daily rise and fall in fever, and night sweats. Small gram-negative rods are isolated from blood cultures after a 2-week incubation period. Which of the following organisms is the most likely etiologic agent?
ACampylobacter jejuni
BFrancisella tularensis
CBrucella melitensis
DSalmonella enteritidis
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