Source:http://linkedlifedata.com/resource/umls/id/C1456617
MEDLINEPLUS: <p>Having HIV/AIDS weakens your body's immune system. Your immune system normally fights germs that enter your body. When HIV/AIDS makes it weak, it can't fight germs well. This can lead to serious infections that don't often affect healthy people. These are called opportunistic infections (OIs).</p><p>There are many types of OIs. <a href='http://www.nlm.nih.gov/medlineplus/tuberculosis.html'>Tuberculosis</a> and a serious related disease, <em><a href='http://www.nlm.nih.gov/medlineplus/mycobacterialinfections.html'>Mycobacterium avium</a></em> complex (MAC) are bacterial infections. Viral infections include <a href='http://www.nlm.nih.gov/medlineplus/cytomegalovirusinfections.html'>cytomegalovirus</a> (CMV) and <a href='http://www.nlm.nih.gov/medlineplus/hepatitisc.html'>hepatitis C</a>. Fungi cause thrush (<a href='http://www.nlm.nih.gov/medlineplus/yeastinfections.html'>candidiasis</a>), cryptococcal meningitis, <a href='http://www.nlm.nih.gov/medlineplus/pneumocystisinfections.html'>pneumocys