Vaccine protection against moderate illness waned among adolescents, new C.D.C. data suggest. Booster shots, however, drastically increased that protection.
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2026. Május 18. Alexandra, Erik napja van
2026. Május 18. Alexandra, Erik napja van
Vaccine protection against moderate illness waned among adolescents, new C.D.C. data suggest. Booster shots, however, drastically increased that protection.
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