A bitemporal hemianopsis suggests a lesion of the optic chiasm while homonymous lateral hemianopsis should lead to a search for a lesion of the retrochiasmal visual pathways. The causes of chiasmal impairment are mainly tumoral.
HAVRIX is a vaccine indicated for active immunization against disease caused by hepatitis A virus (HAV). HAVRIX is approved for use in persons 12 months of age and older. Primary immunization should be administered at least 2 weeks prior to expected exposure to HAV. (1)
A Stacy Wiegman, PharmD , Pharmacy, answered. Comvax is a vaccine for Haemophilus influenzae type B, a disease caused by bacteria, and for hepatitis B virus. The vaccine is administered to children from 6 weeks to 15 months old whose mothers test negative for HBsAg. HBsAg is an antigen, or marker, of the hepatitis B virus.