never

• adv.

• 決して

関

by no means、not at all

• never as ～ as …　…のように～ではない

In all severe congenital forms of HA, skeletal changes may be noted due to over-activity of the bone marrow (although they are never as severe as in thalassemia).(HIM.652)(サラセミアのようにひどくはないけれども)