Which of the following is a type of multidrug-resistant bacteria?

Methicillin-resistant Staphylococcus aureus (MRSA) is a well-known type of multidrug-resistant bacteria. This strain of Staphylococcus aureus has acquired resistance to methicillin and other beta-lactam antibiotics, which are typically effective against Staphylococcus infections. The ability of MRSA to resist these antibiotics makes it particularly challenging to treat, leading to the need for alternative therapies and sometimes resulting in more severe health complications.

Infections caused by MRSA can occur in various settings, including healthcare facilities, where it can be associated with surgical wounds and other invasive procedures, as well as in community settings. The rise of MRSA illustrates the broader issue of antibiotic resistance in bacteria, which continues to be a significant public health challenge.

In contrast to MRSA, while Escherichia coli and Staphylococcus aureus can exhibit antibiotic resistance and lead to infections, they are not classified specifically as multidrug-resistant in the same context as MRSA. Clostridium difficile is known for its role in antibiotic-associated diarrhea and can be resistant to some antibiotics; however, it does not fit the definition of multidrug-resistant bacteria in the same manner. Thus, MRSA stands out as the type of multidrug-resistant organism in this context.