WORLD HEPATITIS DAY 2022: World Hepatitis Day is observed annually on July 28 to raise awareness about this liver-related disease. As per World Health Organization, each year 1.5 million new hepatitis B infections are reported and it is estimated that approximately 296 million people are living with hepatitis B infection. Despite the fact, that HB is a vaccine-preventable disease, around 4 crore people in India are afflicted with it.