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. 2022 Feb 16;40(8):1061-1064.
doi: 10.1016/j.vaccine.2022.01.019. Epub 2022 Jan 22.

Seroprevalence of mumps among children and adolescents in Thailand, 2020

Suvaporn Anugulruengkitt  1 , Piyada Angsuwatcharakon  2 , Thanyawee Puthanakit  3 , Pornumpa Bunjoungmanee  4 , Patchareeyawan Srimuan  5 , Ekkasit Kowitdamrong  6 , Panadda Sawangsinth  5 , Jiratchaya Sophonphan  7 , Terapong Tantawichien  8 , Auchara Tangsathapornpong  4
Affiliations

Seroprevalence of mumps among children and adolescents in Thailand, 2020

Suvaporn Anugulruengkitt et al. Vaccine. .

Abstract

Thailand has implemented single-dose mumps-containing vaccines since 1997 and two doses since 2010. This study aimed to describe the seroprevalence of mumps among children who received one- or two-dose mumps vaccines. A cross-sectional study of 145 children (aged 3-9 years) and 422 adolescents (10-18 years) was conducted. Mumps IgG seropositivity was defined as ≥ 22 RU/mL by EUROIMMUN ELISA method. The mumps seroprevalence was higher in children (82.1%, 95% CI 74.8-87.9) compared to adolescents (41.7%, 95% CI 37.0-46.6) who had received at least one dose of the mumps vaccine. Among those receiving 2 doses of mumps vaccine at ≥ 5 years after their last mumps vaccination, only 51.3% had maintained IgG ≥ 22 RU/ml. There was a reverse correlation between mumps IgG titer and the time interval from the second dose of mumps vaccine (R = -0.44, p < 0.001). A booster dose of MMR vaccine in young adults may be needed.

Keywords: Adolescents; Children; Mumps; Seroprevalence.

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Conflict of interest statement

Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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