Fig. (4) Group A (saline N): Standard pharmacotherapy +normal saline 0.9% (5ml) nebulizer /8hr. Group B(H saline N): Standard pharmacotherapy + hypertonic saline 3% (5ml) nebulizer /8hr. Group C((saline IV):Standard pharmacotherapy + normal saline 0.9% (500ml) intravenous /24hr . Group D((H saline IV) Standard pharmacotherapy + hypertonic saline 3% (500ml) intravenous /24hr. Bar chart between groups displaying the mortality rates.