A 33-year-old man is brought in to emergency following a housefire in which he sustained extensive burns. Following one week in the burn unit, he develops a fever and tachycardia. An image of a region of burn is shown.
Which of the following best describes the most likely causal organism?
Gram-negative diplococci; antigenic variation
Gram-negative diplococci; polysaccharide capsule
Gram-negative rods; cleavage of 60S ribosome
Gram-negative rods; inhibition of EF-2
Gram-positive cocci in clusters; biofilm formation
Gram-positive cocci in clusters; coagulase production
Gram-positive cocci in chains; optochin resistant
Gram-positive cocci in chains; gamma-hemolytic
Gram-positive filamentous rods; acid-fast positive
Gram-positive filamentous rods; produces yellow sulfur granules
