IL5 and asthma: The aim of our study was to show the importance of inflammation as key of asthma; to determine some parameters as markers of the inflammatory process; to show the significance of Eo and ECP, while measuring the level of a specific type of inflammation; to make an investigation of ECP as a marker of antigen exposition; to make an investigation if the value of ECP could be an indication of the effect of the treatment and to determine the significance of IL-5 in the inflammatory chain and the evolution of asthma.