Epidemiological survey of tick-borne encephalitis virus and Anaplasma phagocytophilum co-infections in patients from regions of the Czech Republic endemic for tick-borne diseases.

During the period 2000-2003, patients hospitalized for suspected tick-borne encephalitis in the Czech Republic were screened for possible A. phagocytophilum co-infection. Blood samples taken at admission were tested for the presence of A.