rotavirus
Definition
A genus of double-stranded RNA viruses in the Reoviridae family, notorious for causing acute gastroenteritis characterized by severe diarrhea, vomiting, and fever, primarily in infants and young children.
The leading global cause of dehydrating diarrhea in children under five, preventable by vaccination but still a sneaky saboteur at playgrounds and preschools.
Examples
Little Timmy's daycare turned into a rotavirus demolition derby after everyone shared the communal sippy cup.
Pediatricians recommend the rotavirus vaccine so your kid doesn't audition for the world's splashiest potty-training montage.
Surviving rotavirus feels like completing a toddler-level extreme sports event centered entirely around rehydration packets.
At the family picnic, rotavirus proved it's the ultimate party pooper, one shared snack at a time.