Search for leptoquarks in e+ e- collisions at s**(1/2) = 189-GeV

1- There is a rising trend in the registration of clinical chickenpox cases. 2- Most cases occur in the age group of less than 15 years. Males are a little bit higher than females. 3- The highest frequencies were reported in March, April, and May.4- Most of the cases were registered in Baghdad, Ninawa, Dihok and Al-Basrah.