Definitions. 1  Age distribution > Population aged 0-14: Percentage of total population aged 0-14. 2  Age structure > 0-14 years: The distribution of the population according to age. 3  Birth rate: The average annual number of births during a year per 1,000 persons in the population at midyear; also known as crude birth rate.
Hand-foot-and-mouth disease, or HFMD, is caused by a virus. Symptoms include ulcers, or sores, inside or around the mouth, and a rash or blisters on the hands, feet, legs, or buttocks. And while it's not pleasant, it also isn't serious. Anyone can get the disease, but children under age 10 are most likely to catch it.
Hand, foot, and mouth disease (HFMD) is a contagious disease that is caused by different viruses. It usually affects infants and children under 5 years old. Adults can also get the disease.Symptoms of hand, foot, and mouth disease include fever, painful blister-like sores in the mouth, and a rash that may appear as blisters. HFMD is usually mild, and nearly all infected people recover in 7 to 10 days.and, foot, and mouth disease (HFMD) is a contagious disease that is caused by different viruses. It usually affects infants and children under 5 years old. Adults can also get the disease.