Our daily update is published. We’ve now tracked 13.8 million tests, up 343k from yesterday.

5 states showed a decline in total tests due to separating out their antibody results: MI, MO, MS, TX, WV.

Details in this thread.

About antibody testing...

1) It is necessary to separate out these tests.
2) Antibody testing remains a small portion of the cumulative tests performed.
2) US viral testing really has scaled up a ton.
4) Antibody tests have grown as a % of daily tests.

Colorado, e.g.:

Don't be surprised if more states separate out antibody tests in the coming days.

We are currently tracking both PCR and antibody tests on the back end and will publish the antibody data soon.

So far, we've tracked 160k antibody tests, a small % of the real number we expect.

So far, keeping in mind caveats about the accuracy of these tests... 9% of the antibody tests have been positive.

This does not mean that 9% of the population has had COVID.

Perhaps the best interpretation is:
9% of people who thought they had COVID at some point actually did.

For more information on why this began to happen, see this thread. In short, many reporters, beginning with @MelLeonor_, began to ask questions and get answers: https://twitter.com/alexismadrigal/status/1263328939369349120?s=20

At @COVID19Tracking, we'd been preparing for and expecting antibody tests to show up for weeks.

Just not ... in this way.