Is there a scholarly consensus that "touching impurities directly is unlawful except for a necessity"?

In the context of Muslims touching pork, an IslamWeb fatwa writes: > Scholars of Islam (Ulamah ) state that touching impurities directly is unlawful except for a necessity. I was unsuccessful at finding another, more reliable reference for this. **Question**: Is there a scholarly consensus that "touching impurities directly is unlawful except for a necessity"? The obvious searches site:islamqa.org touching impurities ; site:islamweb.net touching impurities ; site:islamqa.info touching impurities didn't allow me to verify the consensus. Although the fatawa it comes back with talk about what to do when one touches a wet dog, thereby becoming impure, but without forbidding touching a wet dog, which makes me doubt the IslamWeb claim.