Teenage boxer Isis Sio out of coma after being knocked out in fourth professional fight

19-year-old taken to hospital after loss in California

Knockout happened just 78 seconds into fight

The promoter and family of junior flyweight boxer Isis Sio say she is awake and breathing on her own after initially being placed in a medically induced coma following a knockout loss last weekend.

Sio is still in intensive care, but the 19-year-old is no longer on a ventilator, ProBox TV announced in a news release on Monday.