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.
Loneliness is an emotional state in which a person experiences a powerful feeling of emptiness and isolation. Loneliness is more than just the feeling of wanting company or wanting to do something with another person.Loneliness is a feeling of being cut off, disconnected, and/or alienated from other people, so that it feels difficult or even impossible to have any form of meaningful human contact.oneliness is more than just the feeling of wanting company or wanting to do something with another person. Loneliness is a feeling of being cut off, disconnected, and/or alienated from other people, so that it feels difficult or even impossible to have any form of meaningful human contact.