Hadith on Disease: Infection decreed by Allah, but quarantine needed

Abu Salamah reported: The Messenger of Allah, peace and blessings be upon him, said, “There is no infection (without the decree of Allah). Do not mix the sick with the healthy.”

Source: Ṣaḥīḥ Muslim 4124

Grade: Sahih (authentic) according to Muslim

Al-Nawawi said, “As for the statement ‘do not mix the sick with the healthy,’ it guides to avoidance of what results in harm, as per the consistent action of Allah and his decree.”

Source: Sharḥ al-Nawawī ‘alá Ṣaḥīḥ Muslim 2220

عَنْ أَبِي هُرَيْرَةَ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَال لَا عَدْوَى لَا يُورِدُ مُمْرِضٌ عَلَى مُصِحٍّ

4124 صحيح مسلم كتاب السلام باب لا عدوى ولا طيرة ولا هامة ولا

قال النووي وَأَمَّا حَدِيثُ لَا يُورِدُ مُمْرِضٌ عَلَى مُصِحٍّ فَأُرْشِدَ فِيهِ إِلَى مُجَانَبَةِ مَا يَحْصُلُ الضَّرَرُ عِنْدَهُ فِي الْعَادَةِ بِفِعْلِ اللَّهِ تَعَالَى وَقَدْرِهِ

2220 شرح النووي على مسلم