Short thread on historical cases. Typically, the number of cases reported with >= 7 days lag is pretty small; here& #39;s an example from 08/04 with only 76 out of 2486 cases reported with >= 7 days lag. However, there are changes both positive and negative dating back to March 2020!
On 09/04, a bunch of historical cases were removed, so the historic cases total went negative; -7459 >=7 days lag between 08/04 and 12/04: