get a second opinion. Sounds dangerous to me!
do what docs say
Read about CMV and ask your doc
by the way try resting, loads of vitamins and get some almora or such (salts for water) the help with the rehydration of the body with such long fevers etc.
get well soon
I will always remember that doctor in a Children’s infirmary for his lie or stupidity. Though I forgot the precise words, my impression from his reason was the treatment chamber liked a torture chamber.