A 30–year old lady delivered a healthy baby at 37 week of gestation. She was a known case of chronic hepatitis B infection She was positive for HBsAG o but negative for HBeAG. Which of the following is the most appropriate treatment for the baby –
Both active and passive immunization soon after birth
Passive immunization soon afte birth and active immunization at 1 year of age
Only passive immunization soon after birth
Only active immunization soon after birth
Immunization of infants born to i sAg positive women. 

These infants should receive both active and passive immunization soon after birth.

The first dose of active immunization should be accompanied by administration of .5 ml of HBIG as soon after delivery is possible, because the effectiveness decreases rapidly with increased time after birth.

Subsequent doses of active immunization should be given at 1-2mo, and 6 mo of age.