نتایج جستجو برای: healthy carrier
تعداد نتایج: 348342 فیلتر نتایج به سال:
background and objectives: neisseria meningitidis is transmitted from person-to-person. thus, close contact with a healthy carrier can facilitate the spread of the bacteria and lead to life-threatening meningococcal disease. the aim of this study was to identify oropharyngeal carriers of n. meningitidis in volunteers preparing for military service before vaccination. materials and methods: in a...
conclusions similarly to other geographical regions of iran, the sccmec type iii mrsa strain was the most frequently isolated strain from patients in gorgan. staphylococcal cassette chromosome mec type iii showed fewer virulence factors compared to other sccmec types. results the most common sccmec type was type iii, with a frequency rate of 76%, followed by types iv, i, and v, with frequency r...
Background : Finding an association between HFE mutations and hepatitis C especially in those with iron overload is the focus of recent researches. We examined the frequency of these mutations and ferritin level in a group of patients with different stages of hepatitis B and healthy individuals. Materials and methods : A total of 75 (18 carrier, 57 chronic) cases of HBsAg positive patients and...
Objective To compare reproductive outcomes in couples carrying a structural chromosome abnormality and non-carrier couples referred for chromosome analysis after two or more miscarriages. Design Case-control study. Setting Six centres for clinical genetics in the Netherlands. Participants 278 carrier couples and 427 non-carrier couples referred for chromosome analysis between 1992 and 2000 afte...
Abstract Background and Objective: The main cause of spreading staphylococcal infections among patients is the healthy carriers working in hospitals. With the secretion of different sorts of toxins such as entrotoxin, this bacteria can provide the conditions for attacking on the host. The main objective of this study is identification of the characteristics and differences in the Staphylococc...
Background : preventing of hepatitis B needs recognition of it's causative agent and specific characteristic. Hospital staffs get most rating for hepatitis B carrier. The important point in this disease is the great number of client without symptoms, Antigen hepatitis B chronic carriers and different way for transmission. Objective : To determine specific characteristic of carrier with the ...
Bovine babesiosis and other tick borne diseases are considered responsible for more than 50% losses in the crossbred cattle. Carrier cattle infected with babesiosis are challenge to current diagnostic methods and are difficult to detect because of the low number of parasites in circulation. However, diagnosis of carrier animals in herd is important for preventing outbreaks by transmission throu...
The intra-erythrocytic parasite Theileria equi is one of two tick-transmitted causative agents of equine piroplasmosis. Piroplasms of T. equi can be transmitted across the equine placenta and once a horse is infected, it appears to remain a lifelong carrier, since anti-theilerial drugs suppress but do not eliminate the parasite. Carrier mares may transmit the organism to their offspring and thi...
objective: the aim of this study was to investigate the existence of human t-lymphotropic virus type 1 (htlv-1) in subgingival plaque of htlv-1 seropositive pa-tients. materials and methods: a total of 18 patients including 13 females and fivemales, with a mean age of 37 years participated in this descriptive study. half of them were htlv-1 carriers and the others were in htlv-1 associated myel...
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