<prompt> Most common oppounistic infection in HIV, globally ?P. jiroveciCandidaM. tuberculosisCryptococcus  <response>: Ans. is a i.e., P. jiroveci R jiroveci Carinii is the most common oppounistic infection in AIDS patients, overall. P jiroveci pneumonia remains the most common AIDS related oppounistic infection - Textbook of diagnostic microbiology o In developing countries like India, most common oppounistic infection in AIDS is M. tuberculosis. 