Those who are already infected will not benefit from vaccination. However, infants born of mothers who are carriers of the hepatitis B virus can be protected. A simple blood test can determine whether someone is a hepatitis B carrier. For infants born to infected mothers - within 12 hours. For infants born to mothers who test negative - within one to two months following delivery.
Administration is by intramuscular injection in the thigh or upper arm.
To See If The Patient Needs Hepatitis B Vaccine. One must use a combination of two tests to truly determine if a patient is a carrier, already immune or still susceptible to the hepatitis B virus.