Understanding the difference between otitis media with effusion and other forms of middle ear infection is important. Otitis media is a generic term defined as an inflammation of the middle ear without reference to a specific etiology or pathogenesis.
Scientists have long sought to uncover the structure and function of viruses. Viruses are unique in that they have been classified as both living and nonliving at various points in the history of biology. Viruses are particles that are capable of causing a number of diseases including cancer.
Viruses. A virus is a small amount of genetic material inside a viral coat (shell). Viruses are in any area where there are cells that can be infected by them. They exist to reproduce by taking over specific suitable host cells. It deposits its genetic code into the cell and then uses the cells ability to reproduce.icrobes, short for micro-organisms, are single-cell life forms that can only be seen through a microscope. Microbes are everywhere. Some cause disease while others keep people healthy. They grow on everything and they are so small you don't even notice they are there.