Results 71 to 80 of about 1,113,657 (291)

Optimal Vaccine Allocation to Control Epidemic Outbreaks in Arbitrary Networks

, 2013
We consider the problem of controlling the propagation of an epidemic outbreak in an arbitrary contact network by distributing vaccination resources throughout the network.
Enyioha, Chinwendu, Jadbabaie, Ali, Pappas, George, Preciado, Victor M., Zargham, Michael   +4 more
core   +1 more source

Beyond the Ban—Shedding Light on Smallholders' Price Vulnerability in Indonesia's Palm Oil Industry

Applied Economic Perspectives and Policy, EarlyView.
ABSTRACT The Indonesian government imposed a palm oil export ban in April 2022 to address rising cooking oil prices. This study explores oil palm smallholders' vulnerability to the policy using descriptive statistics, Lasso, and post‐Lasso OLS regressions.
Charlotte‐Elena Reich, Tim Ölkers, Vanessa Bonke, Oliver Musshoff   +3 more
wiley   +1 more source

Assessment of a health facility based active case finding system for Ebola virus disease in Mbandaka, Democratic Republic of the Congo, June–July 2018

BMC Infectious Diseases, 2019
Background The ninth outbreak of Ebola Virus Disease (EVD) in the Democratic Republic of the Congo occurred in Équateur Province from 8 May-24 July 2018.
Amber Kunkel, Mory Keita, Boubacar Diallo, Olivier le Polain de Waroux, Lorenzo Subissi, Bocar Wague, Roger Molala, Pierre Lonfandjo, Sébastien Bokoo Bokete, William Perea, Mamoudou Harouna Djingarey   +10 more
doaj   +1 more source

Volatility analysis and forecasting of vegetable prices using an ARMA‐GARCH model: An application of the CF filter and seasonal adjustment method to Korean green onions

Agribusiness, EarlyView.
Abstract The vegetable market experiences significant price fluctuations due to the complex interplay of trend, cyclical, seasonal, and irregular factors. This study takes Korean green onions as an example and employs the Christiano–Fitzgerald filter and the CensusX‐13 seasonal adjustment methods to decompose its price into four components: trend ...
Yiyang Qiao, Byeong‐il Ahn
wiley   +1 more source

The impact of the Russia–Ukraine war on stock prices, profits and perceptions in the food supply chain

Agribusiness, EarlyView.
Abstract The Russian invasion of Ukraine in February 2022 had profound consequences for the global economy. As both countries are major commodity exporters, the food value chain was also affected. This study investigates the impact of the invasion on stock prices, profitability and sentiments of agribusinesses along the food supply chain by using an ...
Julia Höhler, Ivo Harmens, Alfons Oude Lansink   +2 more
wiley   +1 more source

Three faces of node importance in network epidemiology: Exact results for small graphs

, 2017
We investigate three aspects of the importance of nodes with respect to Susceptible-Infectious-Removed (SIR) disease dynamics: influence maximization (the expected outbreak size given a set of seed nodes), the effect of vaccination (how much deleting ...
Holme, Petter
core   +1 more source

Resilience of Small Beef Packers and the USDA Meat Supply Chain Initiative

Agribusiness, EarlyView.
ABSTRACT We focus on the plant‐size resilience relationship among small beef packers during COVID‐19. Defining resilience as the ability to maintain or increase slaughter and non‐resilience as otherwise, we use survey and secondary data to estimate a logit model where resilience is a function of a plant's capacity and age in addition to labor condition
Sunil P. Dhoubhadel, Azzeddine Azzam, Binod Khanal   +2 more
wiley   +1 more source

A case of human survival of rabies, South Africa

Southern African Journal of Infectious Diseases, 2016
Human survival from rabies is exceptionally rare. We report a case of human survival (with severe neurological sequelae) in a child from South Africa.
Jacqueline Weyer, Veerle Msimang-Dermaux, Janusz T. Paweska, Kevin le Roux, Premi Govender, Jessica Coertse, Wanda Markotter, Louis H. Nel, Lucille H. Blumberg   +8 more
doaj   +1 more source

Topological Properties of International Commodity Market: How Uncertainty Affects the Linkages?

Agribusiness, EarlyView.
ABSTRACT The study aims to explore the network topology of the international commodity market by examining the interconnections among 21 commodity futures across various categories, including energy, precious and industrial metals, and agriculture. We analyze the market structure of these commodity futures under both low and high uncertainty conditions
Ibrahim Yagli, Bayram Deviren
wiley   +1 more source

Nationwide outbreak of Shiga toxin-producing Escherichia coli infections associated with frozen pizzas, France, 2022

Eurosurveillance
In February 2022, we observed an increase in the number of paediatric patients with haemolytic uraemic syndrome (HUS) associated with Shiga toxin-producing Escherichia coli (STEC) in France.
on behalf of the Outbreak Investigation Team
doaj   +1 more source