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.
Hand foot mouth disease in adults spreads quickly between infected people or surfaces and is extremely uncomfortable. Caused by coxsackie virus, the disease usually affects adults with compromised immune systems. Learn about its symptoms and treatments as you protect yourself.