A foster childâs return home is generally a planned activity, allowing the foster parent the opportunity to participate in the planning and to say good-bye to the foster child. This can be a difficult time, but the childâs return home represents a success. Returning home is the goal for most children in foster care.
Anti-HBs: Antibody to hepatitis B surface antigen is a marker of immunity. Its presence indicates an immune response to HBV infection, an immune response to vaccination, or the presence of passively acquired antibody.
Hepatitis B vaccine is a vaccine for the prevention of hepatitis B, an infection caused by the hepatitis B virus (HBV) .The vaccine contains one of the viral envelope proteins, hepatitis B surface antigen (HBsAg). It is produced by yeast cells, into which the genetic code for HBsAg has been inserted.he vaccine contains one of the viral envelope proteins, hepatitis B surface antigen (HBsAg).