According to new court filings, Steven Brandenburg was charged with a Class A misdemeanor at his hearing at the Ozaukee County Circuit Court on Tuesday. Brandenburg had intentionally removed 550 doses of the Moderna vaccine from a clinic refrigerator where he worked in Wisconsin. Ozaukee County District Attorney Adam Gerol elaborated that the nature of the charges against Brandenburg may change, depending on whether the vaccines removed are deemed to be ineffective. Visit Business Insider's homepage for more stories. Steven Bradenburg, the Wisconsin pharmacist accused of tampering with vials of the Moderna COVID-19 vaccine, has been charged with a misdemeanor, according to new court filings.Brandenburg was arrested on December 31 by the Grafton Police Department after an internal investigation by his employer Advocate Aurora Health concluded that he had "intentionally" removed 550 doses of the Moderna vaccine from a clinic refrigerator where he worked.