It’s back-to-school season in the United States, the third one during the Covid pandemic, but the first in which all schoolchildren are eligible for Covid vaccines. Yet fewer than a third of children ages 5 to 11 are fully vaccinated, while the percentage of those under 5 who have started–let alone completed–vaccination is in the low single digits. Why? The answers are complicated.

The role of doctors, nurses and other clinicians is to treat patients without passing judgment and to fulfill their fiduciary duty. However, the Covid-19 pandemic has muddled these obligations.

Some health care providers are prioritizing patients who are fully vaccinated against Covid-19 over those who are unvaccinated. This is unethical.

As the Covid-19 pandemic continues to strain health systems’ capacity to provide adequate care for critically ill patients, should patients’ vaccination status be considered in making triage decisions? This question sparked debate recently after the leak of an internal memo of the North Texas Mass Critical Care Guideline Task Force that proposed using patients’ Covid-19 vaccination status as a factor to assign intensive care beds.

As the parent of a child under 5 years old, I am worried about what lies ahead for kids and Covid-19. The more contagious Delta variant is widely circulating, infecting...