My sister-in-law just gave birth to a child and is positive for hepatitis B. Is this hepatitis B? Can a child get infected if he eats her milk?

Did your sister-in-law check hepatitis B DNA? If it is positive, it is highly contagious. During pregnancy, it is necessary to inject hepatitis B high-priced immunoglobulin to block it, and it is best not to breastfeed. If her hepatitis B DNA is negative, then breastfeeding can be considered. Now that the child is born, you can do five hepatitis B tests. If it is negative, in addition to timely inoculation of hepatitis B vaccine, if conditions permit, you can consider intramuscular injection of 100 unit of hepatitis B immunoglobulin at birth and full moon to block it.