Hard to say for certain, but I really wouldn’t be surprised.
I had the flu this year, no vomiting, but I felt like death warmed over…for about a week. I was very weak, slept a lot, and was constantly hot then cold. I seem to snag a sinus problems from time to time, but rarely get anything like this. It sucked, but I don’t believe mine was nearly as severe as what Starboy described.