The Los Angeles County Medical Examinaer has released its report on the Claremont teenager who died after a short illness on July 16. Maxx Cheng, 13, died from cardiac tamponade, a rare but serious medical condition in which blood or fluids builds up in the space around the heart which puts pressure on the heart and prevents it from pumping correctly.

There was no indication in the report that Maxx had contracted the coronavirus.