Ebola: Mass Hysteria is a Chrome extension developed by dan2600 that falls under the Browsers category, specifically in Add-ons & Tools. This free extension aims to provide a unique feature by changing occurrences of the word "Ebola" to a selection of favorite quotes. This tool is designed to offer users a personalized browsing experience by replacing specific text with inspirational or preferred phrases.

Users of Ebola: Mass Hysteria can enjoy a customized web browsing encounter where instances of the word "Ebola" are substituted with uplifting quotes. This feature can potentially add a touch of positivity and personalization to the user's online activities, making reading content more engaging and enjoyable.