From Middle English sinne, synne, sunne, zen, from Old English sinn, senn, synn (âinjury, mischief, enmity, feud; sin, guilt, crimeâ), from Proto-Germanic *sunjÅ (âtruth, excuseâ) and *sundÄ«, *sundijÅ (âsinâ), from Proto-Indo-European *sent-, *sont-(being, true, implying a verdict of truly guilty against an accusation or charge), from Proto-Indo-European *hâes-(âto beâ); compare Old English sÅÃ¾ (true, very, sooth; see sooth).
As the immune system worsens, a variety of complications start to take over. For many people, the first early symptoms of HIV infection are large lymph nodes or swollen glands that may be enlarged for more than three months. Other symptoms often experienced months to years before the onset of AIDS include: Lack of energy.
1 The most common symptoms are similar to a flu-like illness within several days to weeks after exposure to the virus. 2  Early HIV symptoms include fever, headache, fatigue, rash, sore throat, and swollen lymph nodes in the neck. 3  A characteristic feature of primary HIV infection is open sores or ulcers in the mouth.