Medicine A 41-year-old patient is diagnosed with infective endocarditis. Which of the following has good prognosis? A Prosthetic valve endocarditis B IV drug abuse C Staphylococcus aureus D Streptococcus viridans 💡 Explanation A 41-year-old patient is diagnosed with infective endocarditis. Which of the following has good prognosis? ✓ Correct Answer: D. Streptococcus viridans