(30) باب الشَّهَادَةُ سَبْعٌ سِوَى الْقَتْلِ
Narrated Anas bin Malik:
The Prophet (ﷺ) said, "Plague is the cause of martyrdom of every Muslim (who dies because of it).
Reference: Sahih al-Bukhari 2830
In-book reference: Book 56, Hadith 46
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 4, Book 52, Hadith 83