This script is blocking youtube Covid 19 ad.
// ==UserScript==
// @name Youtube Covid 19 Ad Block
// @description This script is blocking youtube Covid 19 ad.
// @namespace https://www.youtube.com/*
// @match https://www.youtube.com/*
// @version 0.0.1
// @grant none
// ==/UserScript==
document.getElementById('clarify-box').style.display = 'none';