The decryption succeeded. The plaintext emerged:

“Sometimes,” she said, “the most valuable knowledge is not found in the glossy pages of a new textbook but in the shadows of the internet, guarded by layers of encryption, waiting for the right mind to ask the right question. The Tratado de Infectologia by Veronesi was more than a reference; it was a lifeline. And it

Subject: Urgent – Veronesi Chapter 15 (AHF) – Immediate Action Required