Investigation and analysis of antibody levels of hepatitis A among children before and after implementing the Expanded National Immunization Program in China.

CONCLUSIONS: After the Expanded National Immunization Program was implemented, hepatitis A antibody levels were significantly increased in five counties, which indicates a successful result of EPI.
PMID: 31733948 [PubMed - as supplied by publisher]

Source: Vaccine - November 13, 2019 Category: Allergy & Immunology Authors: Xu WB, Li Y, Li D, Fang Y, An ZJ, Teng X, Wang HQ, Shang QL Tags: Vaccine Source Type: research