Highlights Genome catalog of 4,098  B. infantis  and  B. longum  shows distinct biogeography and ecology B. infantis  is depleted in Westernized populations but highly common in LMIC infants Massively expanded  B. infantis  diversity and functions are absent from current probiotics Geo-specific strain library informs diet- and population-tailored infant probiotic design Summary Bifidobacterium longum  and  B. infantis  are pioneer colonizers of the neonatal gut and are widely

D EMENTIA IS tragically  common among the elderly. In 2021 57m people worldwide were thought to have the condition. Ageing is a risk factor for many other ailments too, ranging from chronic inflammation to a decline in organ function. A growing body of work, however, suggests that simply taking a course of the shingles vaccine can meaningfully slow the decline. The new data, from a range of countries, suggests that it cuts risk by 20%. Shingles is a painful skin condition cau

Highlights Administration of the bacteriophage cocktail at a high MOI reduced APEC-induced morbidity and mortality by 20-30% in laying hens, validating its potential as an antimicrobial alternative. The oral route (drinking water) demonstrated superior therapeutic efficacy compared to intramuscular injection, resulting in the complete absence of macroscopic lesions and a noticeable reduction in median histopathological scores, particularly in the spleen. The administered phag

A  sexually transmitted infections  ( STI ) is a  disease  which  spreads  by having  sex . STIs can spread through  oral sex  or  anal sex , or when two people's  genitals  touch. STIs can be caused by  viruses ,  bacteria , or  parasites . Examples of the most common STIs are listed on this page. Types of STDs STIs caused by viruses Human Immunodeficiency Virus (HIV) Main article:  Human immunodeficiency virus HIV causes the  immune system  - the system in the body that is