A child is 8 months old. One week ago, the child had a case of acute viral respiratory infection. The child’s physical and mental development corresponds with the age. There are complaints of inertness, loss of appetite, unmotivated recurrent vomiting, temperature up to 38°C within the last 24 hours, pallor, frequent urination with low urine output, tachycardia. Urinalysis: protein —0.099g/L, leukocytes — 15-20 in the vision field, bactcriuria: +++, mucus: +++. What disease can be suspected?