Covid: Vaccines should work against Omicron variant, WHO says A small study in South Africa suggests the new variant could partially evade the Pfizer jab.
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2026. Május 21. Konstantin napja van
2026. Május 21. Konstantin napja van
Covid: Vaccines should work against Omicron variant, WHO says A small study in South Africa suggests the new variant could partially evade the Pfizer jab.
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