Results 91 to 100 of about 1,113,657 (291)

Modelling the drivers of the spread of Plasmodium falciparum hrp2 gene deletions in sub-Saharan Africa

eLife, 2017
Rapid diagnostic tests (RDTs) have transformed malaria diagnosis. The most prevalent P. falciparum RDTs detect histidine-rich protein 2 (PfHRP2). However, pfhrp2 gene deletions yielding false-negative RDTs, first reported in South America in 2010, have ...
Oliver J Watson, Hannah C Slater, Robert Verity, Jonathan B Parr, Melchior K Mwandagalirwa, Antoinette Tshefu, Steven R Meshnick, Azra C Ghani   +7 more
doaj   +1 more source

Pseudo-outbreak of Mycobacterium gordonae in a teaching hospital: importance of strictly following decontamination procedures and emerging issues concerning sterilization [PDF]

, 2016
Aim of this study was to investigate a pseudo-outbreak of Mycobacterium gordonae analyzing isolates detected from clinical and environmental samples.
Alessia Cottarelli, Claudio M Mastroianni, Daniela M Cirillo, Fabio Mengoni, Lanfranco Fattorini, Laura Scorzolini, Lucia Marinelli, Maria De Giusti, MDPhD Laura Scorzolini, Rossella Baldan, Vincenzo Vullo   +10 more
core  

Lost in aggregation? On the importance of local food price data for food poverty estimates

American Journal of Agricultural Economics, EarlyView.
Abstract This paper explores within‐country variations in food price dynamics and food poverty estimates by employing local market price data and national consumer price index (CPI) data. Our results show that national CPI data may be useful for approximating national trends but they fail to detect and identify spatial variations in local trends, which
Stephan Dietrich, Valerio Giuffrida, Bruno Martorano, Georg Schmerzeck, Marco Tiberti   +4 more
wiley   +1 more source

National investment case development for pathogen genomics

Cell Genomics
Summary: Sustaining and expanding genomic surveillance capacity requires broader investment in genomics that target both novel and pandemic pathogens. Currently, there is no standardized methodology to evaluate the cost and benefit of a multi-pathogen ...
Yoong Khean Khoo, Suci Wulandari, Marya Getchell, La Moe, Shurendar Selva Kumar, Elyssa Jiawen Liu, Yimei Sun, Junxiong Pang, Swapnil Mishra, Hannah Clapham, Ben Marais, Vitali Sintchenko, Ruklanthi de Alwis, David Hipgrave, Paul Michael Pronyk   +14 more
doaj   +1 more source

An Eigenvalue test for spatial principal component analysis

BMC Bioinformatics, 2017
Background The spatial Principal Component Analysis (sPCA, Jombart (Heredity 101:92-103, 2008) is designed to investigate non-random spatial distributions of genetic variation.
V. Montano, T. Jombart
doaj   +1 more source

[Measles Outbreak]

Revista de la Facultad de Ciencias Medicas (Cordoba, Argentina), 2018
El sarampión es una enfermedad viral, aguda, grave, transmisible y de alta contagiosidad; tiene distribución universal, con variación estacional, y su comportamiento depende de la relación entre la inmunidad y la susceptibilidad de la población, así como de la circulación del virus.
openaire   +2 more sources

The Herfindahl neutral point: A firm‐level threshold for managing market concentration with evidence from US hog packing

American Journal of Agricultural Economics, EarlyView.
Abstract This paper derives a firm‐level threshold, the Herfindahl Neutral Point, from the standard concentration index used in merger review. At this threshold, a marginal expansion leaves the index unchanged. Firms below the threshold reduce concentration when they expand; firms above it increase concentration.
Andrew J. Keller, Krishna P. Paudel
wiley   +1 more source

A systematic review to guide measles exposure periods for contact tracingResearch in context

EBioMedicine
Summary: Background: This systematic review examined the duration of measles virus airborne transmissibility after a source case is no longer present to identify evidence gaps in measles contact tracing exposure window guidelines.
Haley F. Wellham, Sarah Gillani, Fatima Nkempu Ameaka, Elizabeth A. Campbell, Eric S. Toner, Sanjana Ravi, Sutyajeet Soneja, Caitlin M. Rivers   +7 more
doaj   +1 more source

Population-level estimates of the proportion of Plasmodium vivax blood-stage infections attributable to relapses among febrile patients attending Adama Malaria Diagnostic Centre, East Shoa Zone, Oromia, Ethiopia

Malaria Journal, 2017
Background Malaria is ranked as the leading communicable disease in Ethiopia, where Plasmodium falciparum and Plasmodium vivax are co-endemic. The incidence of P. vivax is usually considered to be less seasonal than P. falciparum.
Lemu Golassa, Michael T. White
doaj   +1 more source

The Impact of the E.coli Spinach Outbreak on Acreage Decisions Under Uncertainty [PDF]

This article quantifies the effect of the 2006 food-borne illness spinach outbreak on harvested acreage for the fresh spinach market. In September 2006, fresh spinach contaminated with E. coli O157:H7 caused hundreds of consumer illnesses across the U.S.
Mohr, Belinda Acuna
core   +1 more source