Which is not repent one of the koch's postulates

To avoid food poisoning, perishable items should not be stored in the refrigerator for more than days.

Would you rather know how you die or when you die. i want a pretty good answer that makes sense. or ill report you. lol kidding

Which of the following human diseases is caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell? a) herpesb) aidsc) smallpoxd) influenza