GlaxoSmithKline's experimental vaccine to prevent the intensely painful condition known as shingles remained 90 percent effective in people over age 70 even four years after receiving the injection, according to data published on Wednesday.
GlaxoSmithKline's experimental vaccine to prevent the intensely painful condition known as shingles remained 90 percent effective in people over age 70 even four years after receiving the injection, according to data published on Wednesday.