A common manifestation of mass hysteria occurs when a group of people believe they are suffering from a similar disease or ailment. Sometimes referred to as Mass Psychogenic Illness or epidemic hysteria.
This category has the following 4 subcategories, out of 4 total.
Pages in category "Mass hysteria"
The following 29 pages are in this category, out of 29 total. This list may not reflect recent changes (learn more).