Opportunistic infections (OIs) are infections that occur more frequently and are more severe in individuals with weakened immune systems, including people with HIV.
Being nostalgic means to miss the past time. It seems that a real life was in the past because now in the present is different, probably things changed and we know that never is going to be the same. It leads to a nostalgic feeling.
Anxiety is the vague, uneasy feeling you get when you're dreading something. Anxiety can also be a permanent state of nervousness that some people with mental illnesses experience, a milder version of panic. When a scary or unpleasant event is looming, like getting a family portrait taken the year you have braces, you might feel some anxiety. You might also feel anxiety about passing chemistry, especially if youâve skipped a lot of classes.