‘Masks work’: experts on how to navigate Delta when you’re vaccinated

The vast majority of those hospitalized are unvaccinated, but health experts say everyone should exercise caution

The Covid-19 vaccine was supposed to bring life back to normal. Then came the Delta variant.

Real-world data collection continues, but it's clear that the vaccines do offer significant protection against becoming infected by Delta. They offer even greater protection against severe illness: Among states that are reporting breakthrough cases of Covid-19, fully vaccinated people made up no more than 5% of overall hospitalizations.