His mother told WPXI that her son was "into physical fitness" and that he was studying to be a personal trainer.
Baughman, who worked as a mover at a local furniture store as well as Walmart, went back to see his family on Christmas night and returned to work the following morning, but had to leave early because he was feeling poorly, PEOPLE reports.
"He kinda just laid down and went about his day, and that was the day he was coughing and said his chest hurt", his fiancée, Olivia Marcanio, told WPXI.
Within two days, however, Kyler Baughman was rushed to a Westmoreland County emergency room, then flown to UPMC Presbyterian in Pittsburgh where he died not even 24 hours later, WPXI writes.
So when he came down with the flu last month, his mother said, he possibly assumed he simply needed some rest. "Don't let things go", said Kyler's father, Todd Baughman.
The official source of departure was organ failure as a result of septic shock from the flu, Kyler's family said.
According to the CDC, tens of thousands of people in the United States die from the flu each year (the number fluctuates based on the severity of the strain).
She added via Facebook: "I just think he ignored it and thought it'd go away like most people, and I think people need to pay more attention to their bodies". As her kids were okay, Murrieta chose to just take a rest when she felt the flu symptoms.More news: Real Madrid stumble against Numancia but reach Cup quarters
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A 21-year-old in Pennsylvania has died from flu complications.
It's never too late to get a flu shot.
They guessed the strain correctly, but when the vaccine is developed in chicken eggs it can mutate, becoming an imperfect match for the virus it is meant to prevent.
Flu often just leaves sufferers feeling sick and riddled with a constant cough and runny nose.
This is shaping up as the worst flu season in a good while, with California particularly affected, but other regions nationwide have registered severe flu cases as well. However, in extreme cases it can be deadly.
While the young, the sick and the elderly are most at risk during the flu season, doctors warn that young, healthy people aren't immune.
His mother said it was from complications from the flu. His body went into septic shock, which can occur when the body is working to fight off an infection such as pneumonia or influenza.