Seroprevalence of vaccine-preventable diseases among children and adolescents in Singapore: results from the National Paediatric Seroprevalence Survey 2018.

•A seroprevalence survey was conducted among Singapore’s children and adolescents.•Seroprevalence of measles and rubella antibodies were 98.2% and 94.8% respectively.•Seroprevalence for diphtheria and tetanus were 97.1% and 89.3% respectively.•Seroprevalence for varicella and anti-HBs were 52.9% and 45.7% respectively.•Concordance between vaccination status and seroprevalence was generally observed.