Advertisements. I did a google search for scenic spots in NE but I didn't come up with much. I'd like to know everyone's favorite scenic spot in this state...I've come up with a few good ones. Indian Cave State Park-I'd have to say that southeast NE is the most lush and beautiful part of the whole state. Just look up the pics of this place. Miles of beautiful lush hiking trails.
Medical Definition of opportunistic. 1  1: of, relating to, or being a microorganism that is usually harmless but can become pathogenic when the host's resistance to disease is impaired.
Answer by Diberri. Confidence votes 3.6K. An opportunistic infection (OI) is an infection that occurs only when the host's defense systems (ie, the immune system) are weakened. The common characteristic of all agents that cause opportunistic infections is that they rarely affect individuals with healthy immune systems.nswer by Diberri. Confidence votes 3.6K. An opportunistic infection (OI) is an infection that occurs only when the host's defense systems (ie, the immune system) are weakened. The common characteristic of all agents that cause opportunistic infections is that they rarely affect individuals with healthy immune systems.