Viruses and responses differ. Human nature doesn't.

The way my siblings and I responded to my family's chicken-pox outbreak in 1973 may shed light on Americans' responses to COVID-19 in 2020.

I was about 10 and remember how differently my five sisters responded to that highly contagious bug.

To prevent its spread, our family doctor ordered us to wash our hands regularly; keep all surfaces, devices and furnishings in the house extra-clean; and maint...