If proven safe and effective, the vaccine could be an important tool to stop the tick-borne disease that affects nearly half a million Americans a year.
drove down interest and its manufacturer, GlaxoSmithKline, withdrew it.
VLA15 is delivered in three primary doses followed by a booster. Half the volunteers will receive a saline placebo for the first three doses and half will get a saline placebo as a booster, the company said. In earlier trials in both labs and people, the vaccine"demonstrated a strong immune response and satisfactory safety profile," the companies said.
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