Serological Protection After Routine Measles-Containing Vaccination Among Children Aged 1–5 Years in Low- and Middle-Income Countries: A Systematic Review
Background: Measles remains a major cause of morbidity and mortality among children in low- and middle-income countries (LMICs), despite widespread implementation of routine two-dose measles-containing vaccine (MCV) schedules. Serological assessment provides an objective measure of vaccine-induced immunity; however, ev...