bactéries

Updated IGRA Test Guidelines for Latent Tuberculosis in Immunocompromised Patients

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Berlin, Germany — Patients with weakened immune systems or those about to begin immunosuppressive treatments now face clearer guidance on how to assess their risk of latent tuberculosis infection (LTBI), thanks to updated recommendations from France’s Haute Autorité de Santé (HAS). The revised protocol, published in [June 2024](https://www.has-sante.fr/upload/docs/application/pdf/2024-06/avis_igra_2024.pdf) and effective immediately, expands the use of … Read more

From Pathogens to Tools: How Bacteria Domesticated Ancient Viruses

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In a quiet breakthrough that could reshape how we understand bacterial defense mechanisms, scientists have uncovered a surprising strategy used by certain bacteria: they deliberately self-destruct to prevent the spread of invading viruses. This altruistic act, known as abortive infection, is not random — it is tightly controlled by genetic elements derived from ancient viruses … Read more

Avocado Storage: How to Keep It Fresh & Avoid Bacteria Growth

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The Unexpected Bacterial Risks Lurking in Your Leftover Avocado Avocados have become a staple in kitchens worldwide, enjoyed on toast, in salads, and as the star ingredient in guacamole. In France, consumption has soared to approximately 2.3 kg per capita annually. Yet, a common practice – saving half an avocado for the next day – … Read more