Can oral polio vaccine be given to a child while the mom is still pregnant with another baby?

Yes: There have been concerns that oral polio vaccine containing live virus is inadvertently given to an immunodeficient chlld or to a child who potentially infect immunocompromised household contact. Therefore, no oral polio vaccine is used in routine immunization in us.

Yes: But we do not use the oral vaccine anymore. When we did, it is important to know that the mom had been previously immunized.