All COVID-Infected at Health Conference Were Vaccinated: Study

Health care workers prepare COVID-19 vaccines in Berlin, in a Feb. 10, 2022 file image. Sean Gallup/Getty Images

Every person known to be infected with COVID-19 after attending a 2022 health conference in Germany was vaccinated, according to a new study.

All people who reported testing positive for COVID-19 said they had received at least two doses of a COVID-19 vaccine.