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.
One that protects adults against 23 strains of Streptococcus pneumonia bacteria is called pneumococcal polysaccharide vaccine (PPSV23), and it is marketed under the brand name Pneumovax.PPSV23 is made using dead bacteria.he dead germs cannot make you sick. The other is pneumococcal conjugate vaccine, PCV13 (brand name Prevnar 13), which is routinely given to infants and toddlers, but was approved by the FDA in 2011 for use in adults ages 50 and older.