المختبرات الطبية الأولى

Normal range: Negative

Comment: Human Parainfluenza viruses have been isolated throughout the world. They are known to cause a wide variety of both lower and upper respiratory infections. This group of viruses also routinely causes otitis media, pharyngitis, conjunctive, and common cold. All four types of human parainfluenza viruses can reinfect individuals throughout their lives. Thus, immunity does not confer life time protection