Square graphic with “whn.global” in the top-left on a dark charcoal background. Large green headline reads: “It’s not ‘flu season.’ It’s stacked transmission.” Below, white text says: “Multiple respiratory pathogens are spreading at the same time— flu, COVID, RSV, measles, and more.” Under the text is a photo of a person in a black baseball cap holding a tissue to their nose/sneezing. Footer in small white text: “The World Health Network is a network devoted to global compassion—working together to inspire collective action through science for a safer, healthier world.”

Square text-only graphic on a dark charcoal background with “whn.global” in the top-left. Large green headline reads: “When illnesses overlap, harm doesn’t just add up — it multiplies.” Below in white text: “More strain on healthcare. More missed work + school. More long-term health impact. More confusion and burnout.” Then: “And eventually… we start treating preventable harm as inevitable.” (with “preventable harm” and “inevitable.” highlighted in green). Footer in small white text: “The World Health Network is a network devoted to global compassion—working together to inspire collective action through science for a safer, healthier world.”

Square graphic on a dark charcoal background with “whn.global” in the top-left. Large green headline reads: “Prevention exists, and it works.” Below, white paragraph text says: “Respirator-grade masks provide respiratory protection against inhalation of airborne pathogens. Masking is one tool among several, alongside ventilation, filtration, testing, and isolation protocols.” Beneath the text is a photo of a white respirator-style mask (N95-type) lying on a wooden tabletop with bright yellow straps. Footer in small white text: “The World Health Network is a network devoted to global compassion—working together to inspire collective action through science for a safer, healthier world.”