エイズ・ＡＩＤＳeizu

1. nounacquired immune deficiency syndrome; AIDS
   私はエイズの研究けんきゅうに従事じゅうじしている。↗

   I am engaged in AIDS research.

• Synonym後天性免疫不全症候群こうてんせいめんえきふぜんしょうこうぐんFormalThe formal medical name for AIDS, used in documents and academic papers; in everyday speech people simply say 「エイズ」.
• RelatedAIDSNeutralThe same disease as 「エイズ」, written as the roman-letter abbreviation; common in medical writing and news headlines.

In everyday conversation say 「エイズ」. 「AIDS」 appears in medical writing and news headlines, while 「後天性免疫不全症候群」 is the formal medical name for documents and papers; the virus itself is 「HIV」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. AIDS（後天性免疫不全症候群こうてんせいめんえきふぜんしょうこうぐん）のカナ音写おんしゃ。