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"content": "#Covid #BA.3.2 \n\nOriginal antigenic sin for the win: \n\nNiu et al. show in a preprint that lack of ancestral SARS-CoV-2 imprinting promotes BA.3.2.2 infection in children, while pre-Omicron mRNA vaccination prevents. \n\nThe risk being future escape from Class I ABs, like with the 455-456 \"FLip\" mutations.\n\nSource: https://www.biorxiv.org/content/10.64898/2026.06.05.730251v2\n\nhttps://cdn.masto.host/swisssocial/media_attachments/files/116/724/241/014/606/097/original/0dd770b2978c8e48.png\nhttps://cdn.masto.host/swisssocial/media_attachments/files/116/724/242/037/179/564/original/4052828d69af6240.jpeg",
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