If COVID-19 vaccines caused ADE, people who are vaccinated against COVID-19 would have more severe disease. This is not happening. On the contrary, people who are vaccinated typically have very mild disease or none at all. In fact, the majority of COVID-19 deaths in the U.S. are people who aren't fully vaccinated. In May, fully vaccinated people made up just 0.8% of COVID-19 deaths. That means 99.2% of COVID-19 deaths were in unvaccinated people.
