According to WSDOH, they claim a lot of unknowns. This second strain came from South Africa, the first 'strain' from the UK. That was the one that allegedly spread faster and more easily, but otherwise was not vastly different than original.
No heart attack that day, but one coronary artery was 95% blocked and occluding fast. I underwent angioplasty, had a stent placed, and began my relationship with a cardiologist.