MRSA infections are becoming more common.

Malaria is caused by bacteria.

Antibiotic resistance develops because:

Malaria parasites infect:

Type AB blood produces which antibodies?

The hormone that induces T‑cell maturation is: 

Histamine release during inflammation causes:

Plasmids often carry genes for:

MERS has a mortality rate of approximately:

Fimbriae function to: