The test uses harmless bacteriophages embedded in the gel to locate target bacteria in a sample of fluid such as lake water, urine or a container of milk, even in low concentrations ...
Urine tests measure specific substances in your urine, such as electrolytes, proteins, and bacteria. These tests can reveal a lot about your health, particularly when gradual changes or big jumps ...
Or it could be from food dye. Blue or green urine indicates rare possibilities that the person might have a "genetic disease that turns urine's color" or "bacteria-caused infection in the urinary ...