In March 2020, Dr. Zelenko’s team was one of the first in the country to successfully treat thousands of Covid-19 patients in the prehospital setting. Dr. Zelenko developed his now famous “Zelenko Protocol,” which has saved countless lives worldwide, while he was fighting recurrent and metastatic sarcoma, had open heart surgery, and aggressive chemotherapy. He has also persevered against unrelenting defamation of character from the media, and threats against his person.

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