alarmism
culture of fear (fear and anxiety in public discourse)
Hypochondriasis (excessive fear of illness and physical harm)
mass hysteria (public fear in large populations)
moral panic (threat to societal values)
Scaremongering or Fear mongering (use of fear to influence the opinions)
Sociology of disaster (a special branch of sociology)
The Boy Who Cried Wolf (the fable of Aesop)
The Sky Is Falling (the fable of Chicken Little)
image alarmism
define alarmism
wikipedia alarmism
weblio alarmism
kotobank alarmism
jisho alarmism