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A new study has examined the maintenance of memory B cell responses to SARS-CoV-2, the virus that causes COVID-19, after recovery from natural infection or post-vaccination. The study is published in Viral Immunology.

The study, co-authored by David Fear, from King’s College London, and colleagues, showed that among those recovered from natural infection, COVID-19 serologically-positive donors had strong antigen-specific memory B cell-associated responses. Post-vaccination, tizanidine ri80 donors showed robust serological antigen-specific antibody responses against spike protein that waned over time. Memory B cell-associated responses against spike protein were also observed but showed less waning over time.

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