Robert F. Kennedy Jr., President Trump's pick to lead the Department of Health and Human Services, has raised doubts about ...

At first, much the same. But inevitably dangerous diseases would resurge in a country that isn’t prepared for them.

Elsewhere, the Georgia Department of Public Health today reported two more measles cases in unvaccinated Atlanta residents.

Before the first measles vaccine was introduced in the 1960s ... The virus cripples immune defenses, leaving the body vulnerable to other pathogens. Before the pandemic, immunization rates ...

And existing immunity could, for a time, still buffer against an infectious deluge, especially from pathogens that remain quite rare globally. Polio, for instance, would be harder than measles to ...