Males or females 5 - &lt, 16 years of age (inclusive) Never received any COVID-19 vaccine Participant or guardian of participant understand(s) Thai language through speaking, reading and writing Participant or guardian of participant be able to communicate through electronic tools such as Google form or line. Capable of attending all study visits according to the study schedule. Capable of informed assent/consent and provision of written informed consent before any study procedures

Males or females 5 - &lt, 16 years of age (inclusive) Never received any COVID-19 vaccine Participant or guardian of participant understand(s) Thai language through speaking, reading and writing Participant or guardian of participant be able to communicate through electronic tools such as Google form or line. Capable of attending all study visits according to the study schedule. Capable of informed assent/consent and provision of written informed consent before any study procedures