I believe it is viral, they can not be treated with antibiotics but can be prevents with vaccines.
Opportunistic infections are infections that take advantage of the weakness of the immune system of certain organisms, and end up settling inside. They do not usually reach people with normal immunity, but it does affect people with autoimmune diseases such as HIV / AIDS.
Answer: c) OIs are the common cause of death of people with HIV / AIDS.
Answer: The risks associated with bulimia nervosa are severe and may include: Chronic sore throat, indigestion, heartburn and reflux. Inflammation and rupture of the oesophagus and stomach from frequent vomiting. Stomach and intestinal ulcers.
Explanation: I took a health class test.