Many companies in the United Kingdom specialize in the production of vacuum cleaners. In the United States, several companies specialize in the production of digital cameras. A large number of businesses in Mexico specialize in producing and selling corn products. No matter what they specialize in, companies always want to increase productivity so that they can earn a better profit. Using the information, how can one business increase its productivity?

The constant presence of diseases or infectious agents within a given geographic area or population group. it may also refer to the usual prevalence of a given disease with such area or group. it includes holoendemic and hyperendemic diseases. a holoendemic disease is one for which a high prevalent level of infection begins early in life and affects most of the child population, leading to a state of equilibrium such that the adult population shows evidence of the disease much less commonly than do children (malaria in many communities is a holoendemic disease). a hyperendemic disease is one that is constantly present at a high incidence and/or prevalence rate and affects all groups equally. so probably family history.