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)
Shingrix, a recombinant adjuvanted vaccine given in two doses, was shown in phase 3 clinical trials to have over 90% efficacy across all age-groups, with benefits sustained for 4 years. The performance is expected to be an improvement over Zostavax, the currently licensed shingles vaccine produced by Merck.