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"Currently, there is no evidence that healthy children and adolescents should be boosted," WHO chief scientist Sumiya Swaminatan said at a meeting on 18th (local time).
"It has been confirmed that the immunity of the vaccine may be partially reduced over time after vaccination, but more research is required to determine what subjects need booster vaccination," said Swami Natan.
2022/01/21 09:24 KST