Kaiser Permanente May 15 2026 A Kaiser Permanente study of nearly 8,000 men shows that in mid- to late 2024, mpox was far more common among men who have sex with men than previously thought. Individuals without symptoms accounted for most infections and likely played a prominent role in transmission, contrary to prior assumptions that people had to be symptomatic to spread the disease.  The study was published on May 13th, 2026, in Nature Communications .  We have not known how Mpox is