BCG vaccine: BCG vaccine is an attenuated active bovine Mycobacterium tuberculosis vaccine also known as live attenuated vaccine. It prevents acute infectious diseases caused by Mycobacterium tuberculosis infection. 1. Within 24 hours after birth, babies weighing up to 2500 grams and healthy can be vaccinated before they are discharged from the hospital. Premature babies weighing 2,000 to 2,500 grams can be vaccinated. 2.If you fail to vaccinate in time for many reasons, consult your doctor when you are discharged from the hospital for a catch-up BCG vaccination point and time in time. Hepatitis B vaccine: Recombinant (yeast) hepatitis B vaccine is selected for newborns. Prevention of hepatitis B. 1. The first vaccination should be given within 24 hours after birth. 2. If the mother is HBsAg positive, the newborn should be vaccinated within 12 hours of birth. It is recommended that hepatitis B vaccination be given along with hepatitis B highly effective immunoglobulin. To be inoculated in different parts. 3. Premature babies weighing up to 2500 grams should be vaccinated with hepatitis B vaccine in time.