2. Covid and complexity (Scott Sumner, I would note that much of Africa seems to fit this same story).
3. Sanity about Sweden (both sides were wrong).
5. China Belgium fact of the day: racing pigeon sells for $1.9 million.
7. Covid in Milan in September 2019? (speculative). Here is the paper. Cross-contamination, or might this be Cowen’s 17th Law: Most phenomena have origins earlier than you are at first inclined to think. It is true for “the marginal revolution” as well!