‏الإمارة : Hadeeth No:4709 It has been narrated on the authority of Hafsa daughter of Sirin who said: 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 Allaah (sallAllaahu alayhi wa sallam) said that death by plague is martyrdom for a Muslim....

‏الصيام : Hadeeth No:2411 A hadith like this has been narrated on the authority of Samura b. Jundub....