HIV belongs to a specific subgroup of retroviruses known as lentiviruses because it can be latent for a lengthy period before serious symptoms of disease become manifest.
इसके लिए वह अपना एक ऐसा एन्ज़ाइम इस्तेमाल करता है, जिसे रिवर्स ट्रांस्क्रिप्टेज़ कहा जाता है ।