The reference here is an analysis of mortality data by Mark Blaxill and Amy Becker, “Lessons from the Lockdown,” posted at Children’s Health Defense on June 18:
“But the pandemic experience has brought on a surprising effect on this expected death rate among children. Starting in early March, expected deaths began a sharp decline, from an expected level of around 700 deaths per week to well under 500 by mid‐April and throughout May.”