Typhoid vaccine is used to prevent typhoid fever caused by a germ called Salmonella typhi. The vaccine works by causing your body to produce its own protection (antibodies) against the disease.
Typhoid Vaccine, USP is a saline suspension containing not more than 1000 million Salmonella typhosa (Ty-2 strain) organisms per mL. After growing on veal infusion agar (containing 0.5 percent sodium chloride, 2 percent peptone, and 5 percent agar), the bacteria are washed off the medium, suspended in buffered sodium chloride injection, and killed by a combination of phenol and heat. Phenol (0.5 percent) is added to the final vaccine as preservative.
Typhoid Vaccine, USP is a saline suspension containing not more than 1000 million Salmonella typhosa (Ty-2 strain) organisms per mL. After growing on veal infusion agar (containing 0.5 percent sodium chloride, 2 percent peptone, and 5 percent agar), the bacteria are washed off the medium, suspended in buffered sodium chloride injection, and killed by a combination of phenol and heat. Phenol (0.5 percent) is added to the final vaccine as preservative.
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