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Malaria Journal: One minute diagnostic found superior to standard tests for p. vivax malaria


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IMAGE: Gazelle is a compact, rugged, battery-operated diagnostic device. Gazelle can be used inexpensively, with no cold chain requirements by entry level healthcare workers in areas with limited access, resources or.
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Credit: Hemex Health
(Portland - March 15) Results of a clinical study conducted by researchers in Manaus, Brazil, show that the Gazelle® Malaria test outperformed Rapid Diagnostic Tests (RDTs) and was nearly as accurate as more expensive and time-consuming expert microscopy in detecting Plasmodium vivax (P. vivax) malaria. The data was published Friday, March 12 in the
Malaria Journal.
The double-blind study was based on 300 participants who sought care from Fundac?a?o de Medicina Tropical Doutor Heitor Vieira Dourado (FMT-HVD), located in Manaus, an area in the Western Brazilian Amazon, heavily endemic for P. vivax. ....

United States , Marcus Lacerda , Doutor Heitor Vieira Dourado , Patti White , Hemex Health , Rapid Diagnostic Tests , Western Brazilian Amazon , Infectious Disease Researcher , Gazelle Malaria Test , South America , Medicine Health , Clinical Trials , Infectious Emerging Diseases , Public Health , Researchers Scientists Awards , Biomedical Environmental Chemical Engineering , Research Development , ஒன்றுபட்டது மாநிலங்களில் , மார்கஸ் ளசேர்தத , தௌஉதோற் ஹெய்தோர் வியெர டூராடோ , பட்டி வெள்ளை , விரைவான கண்டறியும் சோதனைகள் , மேற்கு பிரேசிலியன் அமேசான் , தொற்று நோய் ஆராய்ச்சியாளர் , கஸெல் மலேரியா சோதனை , தெற்கு அமெரிக்கா ,

Coronavirus variants pose reinfection risk, scientists say


The strain was recently made known, and scientists say it was circulating in Manaus in December. This strain shares several mutations with a variant initially detected in South Africa which was said to escape neutralization power from antibodies in convalescent plasma treatment. A team of researchers tested convalescent plasma from coronavirus patients against the 501Y.V2 strain, and 48% of 44 samples had no detectable neutralization activity, study authors wrote. The paper upheld the risk of reinfection as well, writing: These data highlight the prospect of reinfection with antigenically distinct variants and may foreshadow reduced efficacy of current spike-based vaccines.
We know that you can get reinfected even with the same version of the virus, Ravi Gupta, virologist at the University of Cambridge, told NPR, though it is too early to say how often the reinfections may occur.  ....

Hong Kong , University Of Hong Kong , Hong Kong General , South Africa , United Kingdom , Marcus Vinicius Lacerda , Maria Van Kerkhove , Doutor Heitor Vieira Dourado , Ravi Gupta , University Of Cambridge , Vinicius Lacerda , ஹாங் காங் , பல்கலைக்கழகம் ஆஃப் ஹாங் காங் , ஹாங் காங் ஜநரல் , ஒன்றுபட்டது கிஂக்டம் , மார்கஸ் வினிசியஸ் ளசேர்தத , தௌஉதோற் ஹெய்தோர் வியெர டூராடோ , ரவி குப்தா , பல்கலைக்கழகம் ஆஃப் கேம்பிரிட்ஜ் , வினிசியஸ் ளசேர்தத ,