Ibn ‘Umar said:“The Messenger of Allah (ﷺ) said: ‘There is no ‘Adwa, no omen, and no Hamah.’ A man stood up and said: ‘O Messenger of Allah, what if a camel has mange and another camel gets mange from it?’ He said: ‘That is the Divine decree. Who causes the mange in the first one?’”

English translation · Sunan Ibn Majah