Sahih Muslim The Book on Government Hafsa bint Sirin حفصة بنت سيرين Sahih Anas b. Malik asked me the cause of death of Yahya b. ‘Abu ‘Amra. I said: (He died) of plague. He said: The Messenger of Allah (ﷺ) said that death by plague is martyrdom for a Muslim. https://parallelquran.com/hadith/sahih-muslim-4808/