contagiase
-I transmitted
The word contagiase is the imperfect subjunctive form of contagiar in the first person singular. There are other translations for this conjugation.
See the full contagiar conjugation

contagiar

Lo preocupante sería que este enfoque se contagiase al resto de Estados miembros.
What would be worrying is if this approach were to rub off on all the Member States.
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