There is no treatment for covid, no working medication. Even mentioned Ramdesivir was discredited in wider tests with more statistical significance. All hospitals can do is try and prevent external infections while providing oxygen, but patient status worsening to the point of requiring ventilation is a death sentence no matter the color of your skin.
I wonder how much her size contributed to experience of discrimination, as it is well established that clinicians often have less empathy towards overweight individuals?