World Hepatitis Day: Know history, significance and the 2021 theme of 'Hepatitis can't wait' The official theme for World Hepatitis Day 2021 is âHepatitis canât waitâ â which means that action on viral hepatitis canât wait, even in a pandemic. Pic courtesy: worldhepatitisday.org Updated: Jul 28, 2021, 09:53 AM IST Each year, July 28 is commemorated at World Hepatitis Day (WHD) in a bid to raise awareness around the globe about viral hepatitis. As per the official website of World Hepatitis Alliance - www.worldhepatitisday.org, one person is lost to a hepatitis related illness every 30 seconds around the world. What is Viral Hepatitis?