Medicine Incidence of Pneumocystis jiroveci pneumonia has declined in recent times due to which of the following? A Better living conditions B Decrease in the incidence of HIV infection C Use of combination A D Stronger immunity of the cohort 💡 Explanation Incidence of Pneumocystis jiroveci pneumonia has declined in recent times due to which of the following? ✓ Correct Answer: C. Use of combination A