What is a COVID-19 vaccine 'breakthrough' case?

What is a COVID-19 vaccine 'breakthrough' case?

3 years ago
Anonymous $drS9DEX_Sj

https://apnews.com/5c8ce28d2b1ad278b83205ad254973b3

What is a COVID-19 vaccine “breakthrough” case?

It’s when a fully vaccinated person gets infected with the coronavirus.