David Leonhardt of the  New York Times  this morning in his briefing started with: Good morning. An unvaccinated child is at less risk of serious Covid illness than a vaccinated 70-year-old. That statement was based on an article by Emily Oster, a Brown University economist, from an  Atlantic  article in March, which got angry reactions as being insensitive and misleading.  The key point is that, sure, this kid will not get seriously ill...BUT COULD SPREAD THE VIRUS!!! Oster was right about the risk factor: Oster more recently said she would be vaccinating her children once they became eligible, and also: I do not want them to get Covid. I am worried about their immune-compromised grandparent. I would like to avoid quarantine and keep them in school . The Leonhardt report went further to say: Different elderly people will respond to the risks in different  ways, and   that’s OK . Some may decide to be extremely  cautious until caseloads fall to low levels. Others —  especially those wi