A premature newborn from the first pregnancy was born at 37 weeks of gestation, with the weight of 2400 g and the length of 51 cm. The infant is anxious, has limb tremor, does not suckle, exhibits respiratory disturbances and hepatosplenomegaly. At the end of the first day of life the child developed icteric skin and mucosa. On the second day, skin rashes appeared: both separate vesicles and clusters of vesicles located over the rib cage. Make the provisional diagnosis: