This is the 10430th most frequent Catalan word.
prevenen
"Prevenen" means "they prevent" in English.
In this sentence, 'prevenen' is used to mean 'prevent' in the context of proactive actions taken by doctors to stop diseases from spreading or occurring.
Els metges prevenen malalties amb campanyes de vacunació.
Doctors prevent diseases through vaccination campaigns.
Here, 'prevenen' indicates the action taken by parents to foresee and avoid harmful circumstances for their children.
Els pares prevenen situacions perilloses per als seus fills.
Parents prevent dangerous situations for their children.
In this usage, 'prevenen' refers to the act of instituting measures designed to reduce the occurrence of traffic accidents by enforcing rules.