The most common agent(s) causing subacute bacterial endocarditis is/are

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The most common agents causing subacute bacterial endocarditis are normal skin or mouth flora, such as Streptococcus viridans, which are commonly found in the oral cavity and respiratory tract. Streptococcus pyogenes (A) is more commonly associated with strep throat and skin infections. Pseudomonas aeruginosa (B) is a common cause of hospital-acquired infections but not typically associated with endocarditis. Escherichia coli (D) is more commonly associated with urinary tract infections and gastrointestinal infections.

The Most Common Agent(s) Causing Subacute Bacterial Endocarditis Is/are