The diarrhea can last for 1-3 weeks and is usually watery, without pus, blood, or mucus, and is similar to ordinary diarrhea. When the patient enters the AIDS stage, he or she will also have AIDS diarrhea, which can last for more than a month, with more than three bowel movements per day. In addition to diarrhea, patients with AIDS will have a persistent fever for more than a month, significant weight loss, which can be more than 10% within six months, recurrent oral fungal infections, and recurrent bacterial pneumonia, which can easily be combined with serious illnesses such as herpes zoster, active tuberculosis, and pneumocystis pneumonia.