Impact of prior infection and repeated vaccination on post-vaccination antibody titers of the influenza A(H1N1)pdm09 strain in Taiwan schoolchildren: Implications for public health. - Liu, Wei; Lien, Yu-Hui; Lee, Ping-Ing; Chan, Ta-Chien; Wang, Lih-Chiann; Yang, Chin-Rur; Ho, Mei-Shang; Chen, Juine-Ruey; Ku, Chia-Chi; King, Chwan-Chuen (Vaccine, 2022)