What is the definition of Periodically Infection?

"Periodically infection" is like saying your immune system is giving you a weekly vacation from getting sick, but instead of just a quick day off, it's planning a full-blown vacation every few months. Imagine this: "After a week of feasting on spicy sushi, my body decides to take a sabbatical from infections for three months, so I'm about to return to my regular, albeit still spicy, routine."

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Now, here's an unsettling example sentence: "In a world where 'periodically infection' is the new 'annual checkup', Dr. Frankenstein recommended my body take a three-month vacation from germs, wondering why my immune system is suddenly planning a three-month 'etreat' to the Arctic for relaxation."