Whether or not a candidate dies or is too sick to serve doesn’t matter because presidential elections don’t elect presidents - despite what people think.
They elect ELECTORS for the office of president.
If a nominee dies after the “general election” but before the electors meet, or is too sick in the opinion of the electors to take office, then they will simply choose someone else.
Why is this so hard for people to grasp?
This article is about a sitting President falling ill or being seriously injured, not about the Electoral College.
Its hard for people to grasp because too many people don’t understand fully how presidential elections work.
And there are reasons for that. Start with the fact that they don’t teach these details in school anymore.
could the electors choose a person of the opposite party?