A population pyramid, also called an age pyramid or age picture is a graphical illustration that shows the distribution of various age groups in a population (typically that of a country or region of the world), which forms the shape of a pyramid when the population is growing.
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.
10 July 2012. What is hand, foot and mouth disease? Hand, foot and mouth disease (HFMD) is a common infectious disease of infants and children. It is characterized by fever, painful sores in the mouth, and a rash with blisters on hands, feet and also buttocks.