Sahih Muslim
1916.01

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 Allah (ﷺ) said that death by plague is martyrdom for a Muslim

1916.02

This hadith has been narrated on the authority of 'Asim through the same chain of transmitters