We all have a microbiome of bacteria living in and on our bodies. While some of these are shared by all, others are unique to each individual. It is the unique bacteria, shaped by our genetics, diet, and immune system...

Invasive meningococcal disease cases have risen sharply in the U.S. and Canada since the pandemic, with both countries seeing their highest rates in more than a decade. Driven primarily by Neisseria meningitidis serogroup Y, Canada had 155 cases in 2025, and the...