(from illness, injury)
rétablissement m
→ The shock of the operation delayed his recovery.
→ He had been given less than a one in 500 chance of recovery
Best wishes for a speedy recovery! Meilleurs vœux de prompt rétablissement!
to be in recovery (from addiction to drugs, alcohol)
être en cure de désintoxication
→ Carole is an alcoholic in recovery.