My family got covid. So why did we test negative?

(Well)

As a science journalist, I’ve read dozens of research papers about COVID-19, and I’ve interviewed so many virologists, infectious disease physicians and immunologists over the past two years that I’ve lost count. But nothing prepared me for what happened after my 7-year-old daughter tested positive for COVID-19 nearly two weeks ago.

It started the way you might expect: On a Sunday evening, my daughter spiked a fever. The next…