superinfect
/ˌsupərɪnˈfɛkt/
verb
- To infect a person or organism that already has an infection, often with a different microorganism.
- The lab study showed that the fungus could superinfect plants already damaged by pests.
- Doctors worry that using too many antibiotics can superinfect the gut with resistant bacteria.
- The patient's weakened immune system allowed a new virus to superinfect the existing wound.