The people of Jāhiliyyah considered sneezing to be a disease and treated it as an omen. However, sneezing is in fact a healing and blessing from Allāh for which He is praised

However, due to the preponderance of ignorance, and scant knowledge of the remnants of the messengership amongst many of the latecomers, takfīr is not made of them...

If I see someone invoking the (dead) in the grave, seeking rescue from him, then he has been afflicted with shirk, shall I call him (to the truth) on the basis that he is a Muslim...

Al-ʿAzīz, meaning the one who has overcome everything thing such that He has subdued it, and He has overcome all things.

That which the majority of the Muslims are upon from the Salaf and the Khalaf is that Allāh the Exalted creates for a wisdom and commands for a wisdom.

When a man suffers from what is called “influenza”—this being an illness despite which a man is still able to leave his house, though it is a “contagious illness” as the doctors say—would it be permitted for this man to pray in his house...

However, it is not the case that a healthy person, merely by mixing with a person who has a transmissible disease, that this disease will necessarily transmit to this healthy person.

They used to believe that when the sick person mingled with the healthy, he would make them become sick and pass his disease to them. Likewise [did they believe] regarding camels. So the Prophet [sas] negated that and falsified it.

His saying: “There is no contagion”, he means by it that nothing transmits [what it has] to anything else such that harm comes from its direction.

[Go ahead], flee from the leper as you would flee from a lion, (for its meaning) is that there is no contagion, he will not pass [his leprosy] to you...