What happens if the president is not dead but too sick to do the job?

Let's take a look at it this way: The 25th Amendment was intended to resolve any uncertainty about who leads the government when the president is unable to do so. If the president becomes sick  then the  25th Amendment gives the administration the authority to temporarily  have power  aka ---> vice president. The president can then reclaim the presidency when he or she  feels well .

Explanation:

straight down to hell mate