“…Interestingly, several authors reported a local response even in the absence of clinical symptoms. A local response includes mainly pyuria (Bachman et al, 1993, Hooton et al, 2000, Kincaid-Smith &Bullen, 1965, Kunin et al, 1964, Nicolle, 1997, Zhanel et al, 1995, although other local inflammatory or immune markers, including cytokines and urinary immunoglobulins, may also be present (Nicolle, 1997, Svanborg &Godaly, 1997.…”