Researchers from Karolinska Institutet recently reported vaccines used against smallpox given until the mid-1970s offer continuing cross-reactive immunity to mpox.
A study published in the scientific journal Cell Host & Microbe on April 25, 2023, reports robust effector memory MPXV-specific T cell responses in mild mpox and long-lived TCF-1+ VACV/MPXV-specific CD8+ T cells decades after smallpox vaccination.
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