نتایج جستجو برای: drug resistance patterns
تعداد نتایج: 1294952 فیلتر نتایج به سال:
Neuraminidase (NA) inhibitors are used for the prevention and treatment of influenza A virus infections. Two subtypes of NA, N1 and N2, predominate in viruses that infect humans, but differential patterns of drug resistance have emerged in each subtype despite highly homologous active sites. To understand the molecular basis for the selection of these drug resistance mutations, structural and d...
BACKGROUND HIV subtypes A and CRF01_AE (A/AE) became prevalent in Israel, first through immigration of infected people, mostly intravenous-drug users (IVDU), from Former Soviet-Union (FSU) countries and then also by local spreading. We retrospectively studied virus-transmission patterns of these subtypes in comparison to the longer-established subtype B, evaluating in particular risk-group rela...
چکیده ندارد.
background : multi drug-resistant mycobacterium tuberculosis (mdr-tb) is an infection with a causative bacillus which is resistant to at least two drugs, isoniazid and rifampin. the purpose of this study is to evaluate the prevalence of tb resistance to first-line drugs of newly diagnosed active pulmonary tuberculosis. methods : this cross-sectional study was performed on 77 patients with newly...
conclusions findings of this study showed that integron can have a limited frequency in s. aureus isolated from clinical sample in tehran. results among the 200 samples, 1% of the strains (two isolates) contained the class 1 integron gene. the results of this study showed that the highest frequency of the obtained samples belonged to males and the isolates occurred mostly in individuals aged 51...
bacteremia is an important infectious disease which may lead to death. common bacteria and pattern of antibiotic resistance in different communities are different and understanding these differences is important. in the present study, relative frequency and pattern of drug resistance have been examined in bacteria isolated from blood cultures in razi hospital laboratory. the method of the study...
results the results showed that the isolated e. coli strains were sensitive to these antibiotics: erythromycin (52.94%), tetracycline (76.47%), ceftazidime (41.17%), cefixime (35.29%), penicillin (76.47%), ampicillin (58.82%) and nalidixic acid (41.17%). examination of the herbal extracts showed that the highest maximum inhibitory concentration (mic) against drug resistant e. coli was 200 ppm. ...
using mutation specific pcr assay and analysis of position 108 amino acid in dihydrofolate reductase-thymidilate synthase gene in 70 plasmodium falciparum isolates of malarial patients from southern areas of iran, showed 4 different situations: iwild type (108-ser) ii-mutant type (108-thr) iii-mutant type (108-asn) and iv-mixed wild and mutant type (108-ser+thr) with frequency of 58(82.8%), 2(2...
background: nosocomial infections are an important cause of hospital mortalities. staphylococcus aureus (s. aureus) carriers among medical staff are an important source of nosocomial infections. the purpose of this study was to investigate the prevalence of the nasal carriers of s. aureus and antibiotic resistance in staff of nikuee hospital, qom, iran. materials and methods: in this cross-sect...
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