5 n-count A medium is a substance or material which is used for a particular purpose or in order to produce a particular effect. Blood is the medium in which oxygen is carried to all parts of the body..., Hyatt has found a way of creating these qualities using the more permanent medium of oil paint.
An influenza pandemic is a global outbreak of disease that occurs when a new influenza A virus appears or âemergesâ in the human population, causes serious illness in people, and then spreads easily from person to person worldwide. Pandemics are different from seasonal outbreaks or âepidemicsâ of influenza.
A pandemic (from Greek Ïá¾¶Î½ pan all and Î´á¿Î¼Î¿Ï demos people) is an epidemic of infectious disease that has spread through human populations across a large region; for instance multiple continents, or even worldwide. An H3N2 caused about 34,000 deaths in the United States. 2  This virus was first detected in Hong Kong in early 1968, and spread to the United States later that year. 3  This pandemic of 1968 and 1969 killed approximately one million people worldwide.