Also means
to contaminate
Usage Note
Infettare is used for biological infection (il virus ha infettato molte persone) and figuratively for spreading something harmful (infettare la mente). It takes avere as auxiliary. The reflexive infettarsi means 'to become infected.' Do not confuse with infezione (the noun 'infection').
Examples
"La ferita si è infettata per mancanza di cure."
Natural Translation
The wound became infected due to lack of care.

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