European health officials say it's too early to consider giving a fourth dose of messenger RNA coronavirus vaccines to most people, but say an extra booster can be administered to those over age 80.
In a joint statement on Wednesday, the European Medicines Agency and the European Centre for Disease Prevention and Control said they had reviewed data for a fourth dose of the COVID-19 vaccines made by Pfizer-BioNTech and Moderna Inc. They included real-world data from Israel, where research has shown that a second booster provides only marginally higher protection.
For adults younger than 60 with no underlying health issues, "there is currently no conclusive evidence that vaccine protection against severe disease is waning or that there is an added value of a fourth dose," the EMA and ECDC said.
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