- Most U.S. cases were in children under 5 years old, and the average age was 2.
- Nearly 90% of ill U.S. children required hospitalization.
- 6% of ill U.S. children needed a liver transplant.
- 11 ill U.S. children died.
- Just under half of 224 U.S. pediatric patients were tested for an adenovirus infection, and 45% tested positive.
Globally, 18 children have died from the unexplained illness and 45 have required liver transplants, according to the WHO.