The term human immunodeficiency virus is identified in base64 scheme by the sequence aHVtYW4gaW1tdW5vZGVmaWNpZW5jeSB2aXJ1cw==, while the MD5 signature is equal to efc79b522dd45ac836e205b780a82139. The ASCII encoding of human immunodeficiency virus in hexadecimal notation is 68756d616e20696d6d756e6f646566696369656e6379207669727573.