Serological tests for COVID ‐19
نویسندگان
چکیده
منابع مشابه
Covid-19 Serological Tests: A Journey from Denial of Reality to Conclusive Insights
In response to the outbreak of COVID-19, caused by the SARS-CoV-2 virus, several tests are needed for diagnosis of acute illness, contact tracking, diagnosis of asymptomatic infections, and assessment of herd immunity. While PCR is the standard test in acute type, serological tests have been developed and used to meet diagnostic needs due to the widespread prevalence of the disease. Unlike the...
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Many of the nontreponemal or serological tests for syphilis involve the detection of serum antibodies (reagin) which are not directed against a component of the causative organism itself but may arise as a result of pathological changes brought about by proliferation of Treponema pallidum in host tissue. Test antigens for the detection of reagin are lipoidal, the main active component being the...
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In a pilot study by field-screening in two different sauna baths, a day-sauna and a night-sauna, 318 homosexual men were investigated for syphilis and hepatitis B surface antigen (HBsAg) and its antibody (anti-HBs). Of the 134 visitors to the day-sauna 35 1-o were seroreactive for syphilis, four (3%) carried HBsAg, and 95 (70' 9%) anti-HBs. Of the 184 visitors to the night-sauna 33' 2% were ser...
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Serological diagnosis of an acute infection can be done by the demonstration of seroconversion and/or agent-specific IgM antibodies in the serum samples. Seroconversion describes 4 fold or more increase in antibody levels of the serum samples which is collected at the acute and convelescent phase (10-15 days intervals) of an infection. As the detection of seroconversion is time-consuming, the a...
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The need for a reliable serological test for occult staphylococcal infection has long been evident, especially for the diagnosis of lesions of the spine and hip. Earlier reports on the use of the anti-a-haemolysin (Lack and Shelswell, 1955; Lack, 1957), and anti-leucocidin tests (Towers and Gladstone, 1958; Towers, 1961) have placed us in a position to compare the value of these two tests; anti...
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ژورنال
عنوان ژورنال: Medical Journal of Australia
سال: 2020
ISSN: 0025-729X,1326-5377
DOI: 10.5694/mja2.50766