This tool can be used to visualize sex and age composition of a particular population. It is also used in ecology to determine the overall age distribution of a population; an indication of the reproductive capabilities and likelihood of the continuation of a species. Population pyramid often contains continuous stacked-histogram bars.
Hand, Foot, and Mouth Disease Symptoms & Signs. The symptoms of hand, foot, and mouth disease are typically mild and occur mainly in children during the spring and fall seasons. Symptoms can include fever, malaise, decreased appetite, and sore throat. A rash is characteristic of this viral disease.
More information about symptoms of Hand, Foot, & Mouth Disease and related conditions: 1  Other diseases with similar symptoms and common misdiagnoses. 2  Tests to determine if these are the symptoms of Hand, Foot, & Mouth Disease. 3  Symptoms that may be caused by complications of Hand, Foot, & Mouth Disease.