Khan FI, Billah MM, Henderson AK, Hasnat S, Akram A, Reza AAS, Alam MR, Shirin T, Flora MS. Susceptibility to Diphtheria among Vaccinated Children Aged 1–14 Years: A Serosurvey in a Rural Subdistrict, Bangladesh, 2019. OSIR [internet]. 2025 Jun. 28 [cited 2026 Oct. 1];18(2):116-2. available from: https://he02.tci-thaijo.org/index.php/OSIR/article/view/272083