• Wed. Mar 29th, 2023

Sex-specific effect of COVID-19 on the immune system


Jan 23, 2023

Folks – Ideas & Themes / Alamy Inventory Vector

Sure viral infections (for instance, measles) are identified to have lasting results on immune responses to different infections. However little is understood about how COVID-19 impacts subsequent responses to different pathogens, significantly for individuals who expertise gentle COVID-19.

Sparks et al. used elaborate techniques immunology and longitudinal single-cell multi-omics to see what occurs to the immune system after restoration from gentle COVID-19 and after an encounter with its subsequent antigenic publicity — on this case, vaccination in opposition to influenza — a number of weeks or months later.

Throughout 2020, they enrolled and in contrast individuals who had recovered from gentle COVID-19 with age- and sex-matched management contributors who had by no means had the illness. They have been stunned to search out that male recoverees had higher responses to vaccination in opposition to influenza than these of feminine recoverees (and likewise had higher responses than these of males who by no means had COVID-19). This was as a consequence of an altered baseline immune standing that was sustained after restoration, which made the immune system extra ‘poised’ to answer vaccination.

This examine not solely provides to the understanding of the altering immune states in people in response to gentle COVID-19 but additionally offers a foundation for the examine of different, extra complicated immunological eventualities.

Nature (2023)

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