نتایج جستجو برای: serological diagnosis
تعداد نتایج: 483254 فیلتر نتایج به سال:
The sensitivity and specificity of counterimmunoelectrophoresis using three antigenic preparations obtained from Salmonella typhi were compared with those of the Widal test in the serological diagnosis of typhoid fever. A veronal buffer extract yielded precipitation lines against 50 (96%) out of 52 sera collected from patients with typhoid but against none out of 62 sera obtained from control s...
Objective-To identify clinical consequences of acute human herpesvirus type 6 infection by hypothesising that the virus will induce similar clinical syndromes to cytomegalovirus. Design-Examination of consecutive serum samples from patients with illnesses compatible with acute cytomegalovirus infection or exanthem subitum by indirect immunofluorescence for the presence of antibodies to human he...
Diagnosis in relapsing fever is often difficult because of the inadequacy of available methods. Clinical identification of the disease may be unreliable since the physical signs vary and are frequently atypical. Moreover, the symptomatology may resemble any one of several acute infectious diseases, particularly those having an intermittent febrile course. Outstanding among the infections which ...
In Europe, Lyme borreliosis is caused by Borrelia burgdorferi sensu stricto, B. afzelii, B. garinii and the recently described species B. spielmanii. For the development of diagnostic tools, the heterogeneity of the causative agents must be considered. The serological diagnosis should follow the principle of a two-step procedure: a sensitive enzyme-linked immunosorbent analysis as the first ste...
An enzyme-immunoassay was developed to measure the concentration of serum antibody specific for the secretory antigens released by migrating toxocaral larvae. This technique was evaluated by testing sera from healthy UK adults, and from patients with and without toxocariasis. In 922 healthy adults, 2.6% were found to have elevated specific antibody levels. Elevated values were observed twice as...
A search of the literature dealing with the serological diagnosis of malignant conditions reveals that a t least two score of methods have been proposed which attempt to utilise for diagnosis special characteristics of the serum from patients suffering from cancer. Some of these, notably the Meiostagmin reaction of AscoIi and Izar, the Shaw-Mackenzie reaction, and the elaboration of the latter ...
Aims-To investigate the pathology in patients presenting with sudden onset neurological illnesses associated with Mycoplasma pneumoniae infection.Methods-M pneumoniae infection was diagnosed by a highly rigorous interpretation of serological markers initially using complement fixation, agglutination and IgM antibodies. Confirmation of the serological diagnosis was achieved using indirect immuno...
Background: Presence of malaria immune factors induced by erythrocytic stages is widely used as an epidemiological approach to diagnose the infection mainly to distinguish the current, recent and past infections. This study was performed to find out the status of malaria, using microscopical and serological (IFA) methods in Bandar-Abbas and Minab, two malarious districts in Hormozgan Province o...
States would not have known of the existence of a flavivirus known as West Nile virus (WNV). Indeed, most clinical microbiologists and medical laboratory scientists, would only have had a limited knowledge of the virus. All that has changed in the last three to four years. In 1999, WNV emerged in New York and from there has spread to most of the continental United States, with successive season...
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