The overall prevalence was 4.19% for HBsAg and 0.38% for HCV antibody during the study period. The annual prevalence of HBsAg gradually increased from 4.92% in 1989 to 5.23% in 1991 (p=0.001, t=21.00, CI(95), 17237-22490) and gradually decreased from that to 2.10% in 2004 (p=0.001, t=17.27, CI(95), 12869-21342). The seroprevalence of HCV antibody gradually increased from 18 per 10.000 in 1996, to 56 per 10.000 in 1998 (p=0.073, t=3.81, CI(95), 459.62-5721.23), while that decreased to 34 per 10.000 in 2004 (p=0.021, t=7.49, CI(95), 743.98-3980.11). The seroprevalence of hepatitis B and C has decreased markedly between 1989 and 2004 in Turkey. This could be related to the significant increase in the number of volunteer blood donors that increased from 135,779 to 197,815.
Although infection remains the most common cause of FUO, with the highest percentage for tuberculosis, non-infectious etiologies seem to have increased when compared with previous studies.
We determined the seroprevalence of hepatitis B virus (HBV) and hepatitis C virus (HCV) among health care workers (HCWs) at Gülhane Military Medical Academy, Haydarpasa Training Hospital in Istanbul, Turkey. Between April 1998 and September 2000, 702 HCWs were included in the study. The blood samples were tested for hepatitis B surface antigen (HBsAg), hepatitis B surface antibody (anti-HBs) and HCV antibody (anti-HCV) using third-generation tests, with confirmation by reverse transcriptase-polymerase chain reaction. Seroprevalence rates were compared with those detected in 5670 blood donors during the same period. HBsAg, anti-HBs and anti-HCV were detected in 21 (3.0%), in 480 (68.4%) and in 2 (0.3%) of 702 HCWs respectively. HBsAg and anti-HCV rates were 2.1 and 0.4% in blood donors, respectively. These data show that the prevalence rates of HBV and HCV were similar with prevalence rates detected in randomized blood donors showing that universal infection-control precautions and encouraging HBV vaccination reduces HCW infection with hepatotropic viruses.
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