COMMERCE CITY, Columbia (CBS4) – The COVID-19 vaccination clinic at Dick’s sporting goods park was suspended on Wednesday afternoon after 11 patients experienced adverse side effects after receiving the shot. Centura Health originally said there were 18 people affected, but later corrected that number to 11 people.
The site used the Johnson & Johnson / Janssen coronavirus vaccine.
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The Colorado Department of Public Health and Environment says patients experienced symptoms such as nausea and dizziness. They add that there is no reason to believe that other people vaccinated at this site are concerned.

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“We are committed to providing safe community clinics and are very grateful that the clinic has currently properly observed and helped patients with immediate side effects. We know it can be alarming to hear about people being transported to the hospital, and we want to assure Colorado residents that the CDC and public health are closely monitoring all authorized vaccines on an ongoing basis. As far as we know, today’s side effects were consistent with what can be expected, “said Scott Bookman, COVID-19 incident commander.” Getting a vaccine is much safer than getting seriously ill with COVID-19. That’s why I got the vaccine and wanted my family to get it in. Based on everything we know, it’s still true that the best vaccine you get is the one you can get first. who have had to reschedule their appointments for their patience today. ”
The site is operated by Centura Health. A spokesman said 1,777 people were shot, and 11 experienced adverse reactions. Centura did not say what the symptoms were, but they were “in line with typical reactions,” according to medical experts.
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“We saw a limited number of adverse reactions to the vaccine,” Centura spokeswoman Lindsay Radford said. “We followed our protocols and, with great caution, made the decision, in collaboration with the state, to pause operations for the rest of the day.”
Centura says 9 people who experienced a reaction were checked on the spot and sent home while another two were taken to hospital for further observation.

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A total of 640 patients were unable to receive the vaccine on Wednesday. Centura Health plans to reschedule these appointments for April 11 at Dick’s Sporting Goods Park.
According to the Centers for Disease Control and Prevention, Janssen is a single-dose COVID vaccine that was 63% effective in clinical trials. Possible side effects on the arm where the shot occurs include pain, redness, and swelling. Other side effects on the body may include fatigue, headache, muscle aches, chills, fever, and nausea. The CDC said side effects usually begin within a day or two of receiving the vaccine and should disappear within a few days.
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CDPHE says there were ten previous reactions to community vaccination sites prior to this incident, according to the adverse event information system about the vaccine. The CDC and the FDA manage the system.