Dr. M’s SPA Newsletter Volume 15 Issue 5

Picture this, a tiny, 30 nm, relentless RNA virus named norovirus slips into your life, uninvited, and turns your gut into a battlefield. It’s not the flu. Forget that “stomach flu” misnomer. It’s a Caliciviridae family member, a nonenveloped, single-stranded RNA ninja that thrives in making chaos. As a pediatrician, I’ve seen it wreak havoc in kids and parents alike, and it’s a master of surprise. It just played Risk in my GI tract last week. Not Fun! Let’s unpack how it infects, spreads, and toys with us humans, straight from the AAP’s Red Book (2024) and other research. Norovirus causes an estimated 1 in 15 US residents to become ill each year as well as 71,000 hospitalizations and 800 deaths annually, predominantly among young children and the elderly. Norovirus doesn’t knock, more so it sneaks in, needing under 100 viral particles to ignite trouble. You’re sipping contaminated water, munching an oyster from a shady bay, or your toddler’s unwashed hands after a playdate deliver the payload. It’s mostly fecal-oral, stool to mouth via food, water, or surfaces. But don’t sleep on aerosolized vomit. One hurl in a crowded daycare, and airborne particles linger, landing on toys, doorknobs, you name it for days. Did I say lingering! Smart viral spread! Gorilla warfare is on! Dr. M