About Cristina Sáez

Cristina Saez is a freelance science journalist. She coordinates the science section of the newspaper ARA and writes for several media, such as National Geographic Magazine, research centers, and scientific societies. She has been awarded for her journalistic work with some awards, such as the Boehringer Ingelheim, the Roche Foundation, Accenture, or Concha Garcia Campoy Awards, all in Medical Journalism. She is the author of "La ciencia de microbiota" (Cúpula, 2022) and "Siempre adelante", the memoirs of the Cardiologist Valentí Fuster (Cúpula, 2024). Follow Cristina on Bluesky @crisaez.bsky.social

Scientists have started to investigate the role gut microbiota might play in either protecting against COVID-19 or on the contrary in increasing vulnerability to severe symptomatic disease. Any conclusions would be highly relevant to preventing increased mortality among elderly nursing home residents.

Nature publishes the largest study ever conducted on the gut microbiota of newborns and the impact of delivery mode, with an analysis of 1,679 gut microbiota samples from almost 600 newborns and 175 mothers.

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