Probiotics and Fever Duration in Children With Upper Respiratory Tract Infections https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2831509 In this randomized clinical trial, administering a probiotic mixture shortened fever duration by 2 days compared with placebo https://medicalxpress.com/news/2025-03-probiotic-boosters-shorten-fever-duration.html The probiotic group received daily single dose of 0.5 mL probiotic mixture containing Bifidobacterium breve M-16V, Bifidobacterium lactis HN019, and Lactobacillus rhamnosus HN001 for 14 days. The placebo group received daily single dose of 0.5 mL placebo for 14 days