4 And Half Year Old Child, Mother Is Having Viral

4 and half year old child, mother is having viral fever, cough, he had a 15 minutes lasting stomac pain yesterday morning, fever started by 5 pm yesterday, tested urine, found rbc 2, albumin traces, calcium oxalate presence yesterday' s urinte test, today's test no calcium oxalate, but rbc-2 today, albumin presece minor, what is the reason, since june 1 drinking water during school hours is very less