According to WHO data published in July 2021, 296 million individuals worldwide were living with chronic hepatitis B virus by 2019, with 1.5 million new infections each year. The highest rates of Hepatitis B infection are found in the WHO regions of the West Pacific and Africa, where 6.2 percent and 6.1 percent of people, respectively, are affected. Inflammation of the liver is referred to as hepatitis. Inflammation is the body's reaction to irritation or injury, and it usually causes swelling and pain
