Viral diseases: Introduction. A viral infection is any type of illness or disease caused by a virus, a type of microbe. Microbes are tiny organisms that cannot be seen without a microscope and include bacteria, fungi, and some parasites, as well as viruses.iral diseases: Introduction. A viral infection is any type of illness or disease caused by a virus, a type of microbe. Microbes are tiny organisms that cannot be seen without a microscope and include bacteria, fungi, and some parasites, as well as viruses.
OPTAR stands for Operating/Operational Target. Operating Targets. Operations, Planning, Training and Resource Support Services. Oceanside Photo & Telescope Astronomical Society (San Diego County, CA) Operational Tasking. Operational Tasking Data Link. Operational Tasking Nuclear. Occasional Papers in Translation and Textlinguistics.
Definition of:LPAR. (L ogical PAR tition) A logical segmentation of a mainframe's memory and other resources that allows it to run its own copy of the operating system and associated applications.LPARs are caused by special hardware circuits and allow multiple system images to run in one machine.efinition of:LPAR. (L ogical PAR tition) A logical segmentation of a mainframe's memory and other resources that allows it to run its own copy of the operating system and associated applications.