Modified Hemagglutination Tests for COVID-19 Serology in Resource-Poor Settings: Ready for Prime-Time? [PDF]
During the ongoing COVID-19 pandemic, serology has suffered several manufacturing and budget bottlenecks. Kode technology exposes exogenous antigens on the surface of cells; in the case of red blood cells, modified cells are called kodecytes, making ...
Daniele Focosi +2 more
doaj +2 more sources
Cost utility analysis of diagnostic method of syphilis [PDF]
Presently, the diagnosis of syphilis is dependent mainly on serological tests. The most widely used screening tests for syphilis are the VDRL and the rapid plasma reagin (RPR) and for confirmation, the fluorescent treponemal antibody (FTA) and the ...
Viroj Wiwanitkit
doaj +2 more sources
Evaluation of the seropositivity of patients with cystic echinococcosis in Konya, Turkey
Aim: Diagnosis of echinococcosis is based on clinical symptoms, imaging techniques and particularly on the detection of specific antibodies in serum specimens of patients.
Salih Maçin +2 more
doaj +1 more source
Seroprevalence of mycoplasmosis in broiler, layer, and native chickens in Giza, Egypt.
We aimed to investigate Mycoplasma infections among chicken flocks (Ross, Lohmann and native) in Giza, Egypt, using serological tests, including the slide plate agglutination (SPA) test, hemagglutination inhibition (HI) test, and enzyme-linked ...
Saeed El-Ashram +4 more
doaj +1 more source
Conventional serological performance in diagnosis of Chagas' disease in southern Brazil
Results of Chagas' disease diagnosis show disagreement. The aim of this study was to compare commercial tests for Chagas' disease serodiagnosis in southern Brazil. A total of 161 samples were evaluated.
Anelise Bergmann Araújo +1 more
doaj +5 more sources
Serological evidence for Japanese encephalitis and West Nile virus infections in domestic birds in Cambodia [PDF]
Mosquito-borne flaviviruses with an enzootic transmission cycle like Japanese encephalitis virus (JEV) and West Nile virus (WNV) are a major public health concern.
Auerswald, Heidi +10 more
core +3 more sources
Hemagglutination treponemal test for syphilis [PDF]
Sera from 290 hospital patients were tested to compare the sensitivity, specificity, and reproducibility of the hemagglutination treponemal test for syphilis (HATTS) with the fluorescent treponemal antibody absorption test (FTA-ABS). Complete agreement was obtained between the methods when 142 syphilitic sera from patients with various stages of ...
G, Friedly +5 more
openaire +2 more sources
Prevalence study of yaws in the Democratic Republic of Congo using the lot quality assurance sampling method. [PDF]
BACKGROUND: Until the 1970s the prevalence of non-venereal trepanomatosis, including yaws, was greatly reduced after worldwide mass treatment. In 2005, cases were again reported in the Democratic Republic of the Congo. We carried out a survey to estimate
Dhorda, M +9 more
core +9 more sources
Evaluation of immunogenicity of the 2008-2009 seasonal influenza vaccines by microneutralization test [PDF]
PurposeFor evaluating the immunogenicity of an influenza vaccine, the microneutralization (MN) test has a higher sensitivity and specificity as compared to the hemagglutination inhibition (HI) test.
Seung Youn Kim +8 more
doaj +1 more source
An Improved Diluent for Rubella Hemagglutination and Hemagglutination-Inhibition Tests [PDF]
Rubella hemagglutinating (HA) antigen was prepared in BHK-21 tissue as 5% cell suspensions and from unconcentrated and 20× concentrated infected supernatant fluids. In some instances, unconcentrated fluids were treated with Tween 80 and ether; cell suspensions were treated with ether alone.
A E, Auletta +3 more
openaire +2 more sources

