A tragic incident occurred during a summer vacation, resulting in the death of a 5-year-old boy. The boy's father, from Colorado, is now sharing a warning with other parents. The boy died from a rare disease, although specific details about the disease are not provided here.

Further information about this incident can be found through ABC7 News. For those seeking more details about the boy's death and his father's warning, additional coverage is available from the source, ABC7 News, based in San Francisco, CA.