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.
DPT vaccine. The DPT vaccine is one type of preventive medicine called immunization (to make things resistant to disease). The vaccine causes the body to form protective antibodies (disease-fighting proteins) against three serious diseases: diphtheria, pertussis (whooping cough), and tetanus (lockjaw).