Got the vaccine? Experts say you can relax about your Covid-19 risk now. Really.

I asked health experts about their post-vaccination lives. Most no longer worry about their own risk of Covid-19.

White House chief medical adviser Anthony Fauci said he will not go into restaurants or movie theaters, even though he’s vaccinated. The Centers for Disease Control and Prevention says vaccinated people should continue masking up indoors and avoiding large gatherings. News outlets have reported on “breakthrough infections” of Covid-19 among the fully vaccinated.

All of this can make it seem like getting vaccinated may not be enough to liberate people from the...