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Golden Staphylococci is one of the most common factors in skin and systemic infection. About 30% of people are carrying this bacterium in their skin and nose. Increased drug resistance in this microorganism and consequent infection, has gained the attention of scientific organization. Therefore we decided to determine the prevalence of nose carrier of this bacterium in healthy children in Gorgan schools. During the winter 1998 to March 1999 the sample has been taken from 1193 student’s nose with sterile cotton swab. These results showed that in 194 samples (16.3%) Staphylococci Aureus has been isolated, from these samples 114 cases belong to girls (16.1%) and 80 cases were boys (16.4%) that there is not a meaningful variation between them. The number of bacteria isolated from the villages children was 109 cases (17.6%) and in town’s children were 85 cases (14.8%), also this difference didn’t show significant difference. The prevalence of carrier among the 6-12 years old was 12-25.3%, which has got a significant meaning (P<0.001). Antibiotic resistance in the isolated S.aureus were tested and result showed that 34.8% of samples are resistant to Methicilin and 1.7% were resistant to Vancomycin, only 4% were sensitive to Penicillin. Therefore with regard to the results of this investigation, further researches are recommended in relation between strain’s of S.aureus that isolated from carrier’s and strain’s that isolated from patients and to determine their drug resistance in this region.

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Toxoplasmosis is a disease caused by a ubiquitous, obligate intra cellular protozoan Toxoplasma Gondii. Based on serological evidences, Toxoplasmosis infection is a widespread disease with regard to this fact and because to the occurrence of congenital Toxoplasmosis infections due to asymptomatic infections in pregnant women, determination of the rate of Toxoplasma antibodies (IgG, IgM) before pregnancy and finding the involved factors in increasing Toxoplasmosis prevalence seems to be necessary. This study was a cross-sectional and descriptive study and sample population was the women referred to marriage consultation the prevalence of Toxoplasma antibodies (IgG, IgM) was determined by ELISA method. Blood sample were collected randomly from 300 women referred to the center for consultation in 2001 and they was transferred to the laboratory for antibodies determination. The results showed that the general prevalence to the positive cases based on high titer of IgG was 48.3% and of IgM was 11.7%. There was not any relation between positive cases and age, education, place for residence, job, keeping domestic animals (Except cat) vegetable consumption and wash-up, but there was a relation between positive cases of IgM and keeping cat at home (P?0.025). More over 51.7% of pregnant women in Gorgan were seronegative and the were prone to acute Toxoplasmosis during their pregnancy. The results of this study confirm that the determination of the diagnostic Toxoplasmosis is an necessary test during pregnancy.