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The World Health Organisation's chief scientist Soumya Swaminathan has said there is no evidence at present that healthy children and adolescents need booster doses of Covid-19 vaccine, Reuters reports.
Speaking at a news briefing, she said that while there seems to be some waning of vaccine immunity over time against the rapidly spreading Omicron variant of the coronavirus, more research needs to be done to ascertain who needs booster doses.
"There is no evidence right now that healthy children or healthy adolescents need boosters. No evidence at all," she said.
