Which of the following statements about SARS-CoV-2 is not true?
A 62-year-old male with a history of hypertension and diabetes presents with a 7-day history of fever, worsening shortness of breath, and cough. His oxygen saturation is 88% on room air, and a chest X-ray shows bilateral infiltrates. A PCR test is positive for SARS-CoV-2. What is the most appropriate next step in managing this patient?
A 55-year-old woman with asthma presents with fever, fatigue, productive cough, and worsening shortness of breath. She has been diagnosed with COVID-19 two weeks ago. A chest X-ray now reveals new areas of consolidation, and blood tests show elevated white blood cell counts. What is the most likely cause of her worsening condition?