The availability of safe, effective covid vaccines less than a year into the pandemic marked a high point in the 300-year history of vaccination, seemingly heralding an age of protection against infectious diseases.
Now, after backlash against public health interventions culminated in President-elect Donald Trump’s nominating Robert F. Kennedy Jr., the country’s best-known anti-vaccine activist, as its top health official, infectious disease and public health experts and vaccine advocates say…
