We conclude that only large postchiasmal lesions are likely to cause symptomatic homonymous field defects in MS, usually characterized by rapid recovery. Hemifield VEPs have a low sensitivity for the detection of postchiasmal as compared with prechiasmal abnormalities.
Alternate Titles: Bacille Calmette-GuÃ©rin vaccine, Bacillus Calmette-GuÃ©rin vaccine. BCG vaccine, vaccine against tuberculosis. The BCG vaccine is prepared from a weakened strain of Mycobacterium bovis, a bacteria closely related to M. tuberculosis, which causes the disease.
What is the hepatitis B vaccine? The hepatitis B vaccine is the best way to prevent infection. It is a series of 3 or 4 shots usually given over a 6-to-12 month period. It is given by an injection into the arm muscle of adolescents and adults and thigh muscle of infants and young children.