S. TYPHI VI ANTIGEN PREPARATION USED FOR IMMUNIZATION OF PRESCHOOL CHILDREN
ARMY BIOLOGICAL LABS FREDERICK MD
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The use of Vi antigen for the purpose of typhoid fever prophylaxis in preschool children under the conditions in the southern regions of the country showed the high effectiveness of the preparation in the case of low reactogenicity. It was of interest to study the effectiveness of the preparation mentioned under northern conditions.
- Medicine and Medical Research