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.
OPTerm is a brand name of Banner Insurance. The company has used that brand to propel them upwards in the industry, earning the company an A+ rating with A.M. Best, one of the leading insurance ratings companies. It is the product name of a series of term life policies, each denoted by a number to indicate the term of the policy. OPTerm is basically term life insurance with a name. OPTerm 20 indicates a 20 year term life policy with fixed premiums. Other versions include OPTerm 10, 15, and 30 year policies.