A 50yo DM pt came to the OPD with complaint of of fever, muscle ache, dry cough and anorexia. Inv: CXR=upper lobe cavitation. What is the single most likely causative organism?
a. Legionella
b. Mycoplasma
c. Staphylococcus
d. Klebsiella
e. Streptococcus
answer: D
Very useful to know for PLAB: this page from OHCM