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Study Reveals High Predictability of Measles Antibody Dynamics from Birth

A recent study, published online in Nature Microbiology on May 13, unveils remarkable insights into the predictability of measles antibody dynamics from birth at an individual level. Led by Wei Wang from the Key Laboratory of Public Health Safety in Shanghai, the research team reconstructed antibody trajectories from birth by integrating serological data from 1,505 individuals aged 0 to 12 years. These data were sourced from both a mother-infant cohort and a child cohort in Hunan, China, and were analyzed using empirical models.

The participants in the study all had comprehensive measles vaccination records and underwent antibody measurements. The findings unveiled significant heterogeneity in measles antibody evolution across the population. Crucially, at the individual level, the study revealed a strong predictability of antibody evolution from birth, even following vaccination.

Interestingly, the study also identified a noteworthy association between cesarean births and increased odds of primary vaccine failure, with the odds rising by 2.56-fold. Henrik Salje, Ph.D., joint senior author from the University of Cambridge in the United Kingdom, explained, "With a C-section birth, children aren't exposed to the mother's microbiome in the same way as with a vaginal birth. We think this means they take longer to catch up in developing their gut microbiome, and with it, the ability of the immune system to be primed by vaccines against diseases, including measles."

It's worth noting that one of the authors disclosed ties to the pharmaceutical industry, ensuring transparency in potential conflicts of interest.

The findings of this study underscore the intricate interplay between birth mode, immune system development, and vaccine response, shedding light on crucial factors influencing measles antibody dynamics and vaccine efficacy from early life stages.

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