The third dose of measles-containing vaccine induces robust immune responses against measles in young seronegative healthcare workers who had previous two-dose measles vaccination

Bibliographic Details
Title: The third dose of measles-containing vaccine induces robust immune responses against measles in young seronegative healthcare workers who had previous two-dose measles vaccination
Authors: Yong Chan Kim, Heejin Nam, Jun Yong Choi, Eui-Cheol Shin, Young Hwa Choi
Source: Journal of Infection and Public Health, Vol 16, Iss 10, Pp 1643-1649 (2023)
Publisher Information: Elsevier, 2023.
Publication Year: 2023
Collection: LCC:Infectious and parasitic diseases
LCC:Public aspects of medicine
Subject Terms: Measles, Seroprevalence, Measles vaccine, Immunogenicity, Safety, Infectious and parasitic diseases, RC109-216, Public aspects of medicine, RA1-1270
More Details: Background: Despite the low measles antibody positivity rate among young healthcare workers (HCWs) who have previously received two doses of a measles-containing vaccine (MCV), whether an additional dose of MCV acts as a booster remains unknown. Thus, we aimed to evaluate the immune responses to a third dose of MCV in young HCWs. Methods: Hospital-wide measles seroprevalence was assessed using enzyme-linked immunosorbent assay (ELISA). The immunogenicity of a third dose of MCV was determined in young seronegative HCWs (born between 1986 and 1997) who had previously received a two-dose measles vaccination. Results: A total of 3033 (92.6%) HCWs had anti-measles immunoglobulin G. The lowest seropositivity rate was observed in HCWs aged 20–24 years (87.7%). In this group, HCWs who received a third dose of MCV had higher seropositivity than those who received a second dose (89.5% vs. 75.4%). A third dose of MCV was administered to 18 HCWs who did not have anti-measles IgG despite two doses. Neutralizing antibody titers increased significantly 4 weeks after the third vaccination. Although neutralizing antibody titers decreased 1 year post vaccination, 17 (94.4%) HCWs had medium (121–900 mIU/mL) or high (>900 mIU/mL) levels. Furthermore, the third dose of MCV increased the measles virus-specific T-cell effector function. Conclusions: The third dose of MCV induced a strong immune response against measles in young seronegative HCWs who had previously received a two-dose measles vaccination.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 1876-0341
Relation: http://www.sciencedirect.com/science/article/pii/S1876034123002599; https://doaj.org/toc/1876-0341
DOI: 10.1016/j.jiph.2023.08.002
Access URL: https://doaj.org/article/a70f9c985d074a308ba7ee160b3fa45b
Accession Number: edsdoj.70f9c985d074a308ba7ee160b3fa45b
Database: Directory of Open Access Journals
More Details
ISSN:18760341
DOI:10.1016/j.jiph.2023.08.002
Published in:Journal of Infection and Public Health
Language:English