Sorry to hear you're hospitalized, have the flu, and are flaring.
We've had some come up like you before before
they started a biologic. I believe it was tuberculosis though, same deal though possible latent infection. They had to see an infectious disease doctor and get cleared before starting a biologic. A link about
this
https://www.healingwell.com/community/default.aspx?f=38&m=3946143