Post-Booster Breakthrough Covid-19 Cases Are Happening, but Rarely - The Wall Street Journal

A small number of Covid-19 breakthrough cases are beginning to show up among people who got both a full round of vaccinations and a booster shot.

Heather Green received her Covid-19 booster, a third injection of the Pfizer vaccine, at the end of September.

A month later, the 47-year-old was surprised to discover during a routine test that her mild allergy-like symptoms were actually from Covid-19.