This is the 10891st most frequent Portuguese word.
infectada
"Infectada" means "infected" in English.
Here, 'infectada' is an adjective describing 'ferida', indicating that the wound has an infection.
A ferida estava infectada e precisava de tratamento.
The wound was infected and needed treatment.
In this case, 'infectada' is used in the passive voice to describe the state of the plant after having an infection caused by a fungus.
A planta foi infectada por um fungo e começou a murchar.
The plant was infected by a fungus and started to wilt.
Here, 'infectada' is metaphorically used to describe that her mind is influenced or tainted by prejudiced ideas.