Can Steam Inhalation inactivate SARS-CoV2?

A Case Nurse Manager in one of New York's nursing homes, a registered nurse who contracted Covid-19 from a resident who was having symptoms of Covid-19 who eventually was admitted and died in the hospital. It was in her 9th day of symptoms of fever, cough and shortness of breath, weak, no appetite, received 3 liters of intravenous fluids. She was already having shortness of breath with an oxygen saturation below 87% and 65 years of age and hypertension as a comorbidity. She recovered from Steam inhalation of 15 minutes 3 times a day and lots of vitamin C and a plant-based diet, prayers and faith in God.