Most common organism to cause OPSI
Ans (a) Streptococcal pneumoniaRef Sabiston page 1568/20th edition* 50-90% cases of OPSI is due to streptococcal pneumonia.* PPV23 vaccine is given nowadays 2 weeks prior to elective surgery
Streptococcal pneumonia
H. influenza
Mycobacterium TB
Babesia
Spleen