outbreak
US /ˈaʊt.breɪk/
UK /ˈaʊt.breɪk/

1.
épidémie, flambée, déclenchement
a sudden occurrence of something unwelcome, such as war or disease
:
•
The sudden outbreak of the flu caught everyone by surprise.
L'épidémie soudaine de grippe a pris tout le monde par surprise.
•
There was an outbreak of violence in the city.
Il y a eu une flambée de violence dans la ville.