Knox MacEwen, a 14-year-old boy from Florida, tragically passed away last weekend after suffering cardiac arrest while completing a 5K run.

MacEwen, a member of his school’s Junior Reserve Officers’ Training Corps (JROTC) program, went into cardiac arrest during the program’s 5K at Everglades High School in Miramar, Florida.

He was transported to Memorial Miramar Hospital, but doctors pronounced him dead after arrival.

People reports:

“I am saddened to share tragic news impacting our Wildcat community. One of our JROTC students passed away this morning after being transported to the hospital,” Jimmy Arrojo — the school’s principal — said in a message to students, families and staff, per the outlet. I want to offer my deepest condolences to his family and loved ones, teachers, and classmates as they mourn this great loss.”

He continued, “I ask our Wildcat community to rally around the family in prayer and support during this time of deep sorrow. Please know that grief counselors will be available on campus this week to meet with anyone needing assistance or support.”

In a GoFundMe page created for the family, loved ones of MacEwen said he “was a revered member of his local community — a JROTC student, a volunteer with the kids ministry at his home church; and he was a beloved brother, son, grandson, nephew and friend.”


NBC News added:

Police said in a statement that they found the teen experiencing cardiac arrest when they arrived at the Junior Reserve Officers’ Training Corps (JROTC) 5K at Everglades High School in Miramar, Florida.

After the teen arrived at Memorial Miramar Hospital, doctors pronounced him dead. Police haven’t publicly identified the student.

However, according to a GoFundMe, the student was Knox MacEwen, who participated in the JROTC program at Western High School in Davie, Florida, and volunteered at his church in the kids’ ministry. His mother, Julie, recently had cancer, and the family is still grappling with the lingering physical and financial effects of her illness, the GoFundMe said.

“The elephant in the room is whether or not the teenager received the experimental COVID-19 shot, which is known to cause cardiac-related conditions like myocarditis and pericarditis,” WLTReport stated.

In a recent press release, Pfizer acknowledged the increased risk of myocarditis and pericarditis following COVID-19 inoculation, particularly in males 12 through 17 years of age.

From Pfizer:

Authorized or approved mRNA COVID-19 vaccines show increased risks of myocarditis (inflammation of the heart muscle) and pericarditis (inflammation of the lining outside the heart), particularly within the first week following vaccination. For COMIRNATY, the observed risk is highest in males 12 through 17 years of age. Seek medical attention right away if you have any of the following symptoms after receiving the vaccine, particularly during the 2 weeks after receiving a dose of the vaccine:

  • chest pain
  • shortness of breath
  • feelings of having a fast-beating, fluttering, or pounding heart

Russell Brand discussed Pfizer’s acknowledgement of the myocarditis and pericarditis risk following COVID-19 inoculation:

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