Vivotif (Typhoid Vaccine Live Oral Ty21a) Capsules, 4/Box **Refrigerated ItemVivotif (Typhoid Vaccine Live Oral Ty21a) is an oral vaccine used to prevent typhoid fever, a serious illness caused by the bacterium Salmonella Typhi. It is commonly recommended for travelers visiting regions where typhoid fever is prevalent. By stimulating the immune system to recognize and fight the bacteria, Vivotif provides effective protection against the disease. Administered in capsule form, it requires completion of the full dosage schedule