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.
Send a sympathy card if someoneâs cat died; feel empathy if your cat died, too. Continue reading... The ability to feel sympathy for others is a great part of what make us human, and it's what compels us to reach out and offer help. So have sympathy for people who confuse this word with empathy â they're awfully close in meaning. Feeling sympathy means you feel sorry for someone's situation, even if you've never been there yourself.