After supercooling a 38-year-old woman developed muscle pain, body temperature rise up to 39°C, headache, dysuria, positive Pasternatsky's symptome. In the urine: leukocyturia, bacteriuria. In blood: Decrease in Hb rate down to 103 g/l, left shift leukocytosis, ESR acceleration up to 32 mm/h. Blood urea - 6,0 millimole/l. What is the most likely diagnosis?