Bellus Health (BLU) Reports Q4 Loss, Lags Revenue Estimates Posted byZacks Equity Research February 24, 2022 Leave a comment on Bellus Health (BLU) Reports Q4 Loss, Lags Revenue Estimates Bellus (BLU) delivered earnings and revenue surprises of 35.71% and 60%, respectively, for the quarter ended December 2021. Do the numbers hold clues to what lies ahead for the stock?