Ibn'Umar said:
"The Messenger of Allah (ﷺ) said: 'There is no'Adwa, no omen, and no Hamah.' A man stood up and said: 'OMessengerof Allah, what if a camel has mange and another camel getsmange fromit?' He said: 'That is the Divine decree. Who causesthe mange in thefirst one?'"
English reference: Vol. 4, Book 31, Hadith 3540
Arabic reference: Book 31, Hadith 3669