Delta 27 times more likely to “break through” Pfizer protection than to penetrate natural immunity

Note the caveat just below about what “experts stress.”

EXPERTS STRESS THIS SHOULD NOT DISCOURAGE VACCINATION

Study: COVID recovery gave Israelis longer-lasting Delta defense than vaccines

The variant was 27 times more likely to break through Pfizer protection from January-February and cause symptoms than it was to penetrate natural immunity from the same period

https://www.timesofisrael.com/study-covid-recovery-gave-israelis-longer-lasting-delta-defense-than-vaccines/