2020 Aug – "The Pan American Health Organization (PAHO) has issued a warning against the use of ** "chlorine" ** products as treatments for COVID-19." “PAHO does not recommend oral or parenteral use of chlorine dioxide or sodium chlorite-based products for patients with suspected or diagnosed COVID-19 or for anyone else. There is no evidence of their effectiveness and the ingestion or inhalation of such products could cause serious adverse effects,” the document said.