Coronavirus May Be a Blood Vessel Disease, Which Explains Everything

In April, blood clots emerged as one of the many mysterious symptoms attributed to Covid-19, a disease first thought to largely affect the lungs.

The story has moved quickly since it first surfaced, and the details our reporters have confirmed so far paint a fuller picture than the early headlines suggested. What follows is what we know, what remains unclear, and why it matters this morning.

The story so far

Sources close to the matter describe a situation that developed over months rather than days. Documents and interviews reviewed by Morning Glance show a pattern that was visible to insiders well before it reached public attention — and that pattern is what gives this story its weight.

In April, blood clots emerged as one of the many mysterious symptoms attributed to Covid-19, a disease first thought to largely affect the lungs.

What to watch next

The coming weeks should bring more clarity. We will keep following the principals involved, the official responses, and the numbers that tell the real story — and we will update this piece as the facts develop. For the latest coverage, keep an eye on the Covid19 topic and our daily briefing.