Michael M. Santiago / Getty ImagesA Northwell Health medical staff member prepares a dose of the Johnson & Johnson COVID vaccine at the Northwell Health pop-up vaccination site at the Albanian Islamic Cultural Center in Staten Island in New York City on Thursday. (Michael M. Santiago / Getty Images)
Several adverse reactions to the Johnson & Johnson COVID-19 vaccine have led Colorado authorities to close a mass vaccination site in a Denver suburb on Wednesday.
Officials said 11 people experienced adverse reactions to the vaccine, according to KUSA-TV.
According to Centura Health, the company that operated the clinic in Commerce City, those 11 people experienced symptoms including nausea and dizziness.
The symptoms were severe enough in two people that they were taken to hospitals for observation.
After the 11 people experienced a severe reaction to the vaccine, the mass site closed for the rest of the day, which meant 640