• Hepatitis B is a viral infection that attacks the liver and can cause both acute and chronic disease. The virus is transmitted through contact with the blood or other body fluids of an infected person. (HIV also gets transmitted via the exchange of a variety of body fluids from infected individuals, such as blood, breast milk, semen and vaginal secretions) • The hepatitis B vaccine is the mainstay of hepatitis B prevention. WHO recommends that all infants receive the hepatitis B vaccine as soon as possible after birth, preferably within 24 hours. (Hence, option b is not correct) • Hepatitis B is a global public health threat and the world’s most common serious liver infection. It is up to 100 times more infectious than the HIV/AIDS virus. • In those people who develop symptoms from acute infection, the average time from exposure to symptoms ranges from 2 to 12 weeks. However, most people who are infected with the hepatitis C