In the next decade, at least twelve additional vaccines that target such diseases as typhoid, malaria, and dengue will become available to lower- and middle-income countries. These vaccines must travel along what are called supply chains, which include all personnel, systems, equipment, and activities involved in ensuring that vaccines are effectively delivered from the point of production to the people who need them. But for various reasons, supply chains are already strained in many developing countries, and the potential inability to distribute new vaccines will place lives at risk. Among the many steps needed to strengthen the global vaccine supply chain, we suggest that the international community pursue improved coordination between organizations that donate and ship vaccines and the host-country officials who receive and distribute the vaccines, as well as better training for supply-chain managers.
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http://dx.doi.org/10.1377/hlthaff.2011.0368 | DOI Listing |
Sci Total Environ
January 2025
CATIE, Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba 30501, Costa Rica.
Agricultural systems are both emitters of greenhouse gases and have the potential to sequester carbon, especially agroforestry systems. Coffee agroforestry systems offer a wide range of intensities of use of agricultural inputs and densities and management of shade trees. We assessed the agronomic carbon footprint (up to farm gate) and modelled the carbon sequestration of a range of coffee agroforestry systems across 180 farms in Costa Rica and Guatemala.
View Article and Find Full Text PDFPLoS One
January 2025
Shantou University Business School, Shantou University, Shantou, Guangdong, China.
Amidst the global restructuring of the semiconductor supply chain, this paper constructs a global semiconductor trade network (2007, 2012, 2017, 2021) encompassing three segments (raw materials, equipment, and finished components), based on the CEPII database. After initially exploring trade flows among different regions, the paper conducts an in-depth analysis of the network's overall structure and the significance of its nodes. Furthermore, the evolution of the trade network's community structure is discussed and its robustness and dynamics over recent years are assessed through computer program simulation.
View Article and Find Full Text PDFDigital technology innovation (DTI) is the core driving force for the development of the digital economy. This paper brings digital technology innovation and the supply chain of auto parts manufacturing under the same framework. This paper uses Stata 18 to empirically analyze the panel data of 130 A-share auto parts listed companies in Shanghai and Shenzhen from 2010 to 2022.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
University of Southern California, Los Angeles, CA, USA.
Background: As disease-modifying treatments for Alzheimer's disease (AD) are becoming available in the US, concerns have been raised that an unprepared healthcare system will be unable to cope with the expected influx of patients. Individuals dually eligible for Medicare and Medicaid might be disproportionately affected by wait times for three reasons. They have higher burden of disease; many practices do not accept Medicaid at all and those who do might limit the number of Medicaid patients because of lower payment rates under the so-called lesser-of policy.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
University of Southern California, Los Angeles, CA, USA.
Background: Disease-modifying treatments for Alzheimer's disease (AD) are becoming available. To date, all current treatments require intravenous infusion, and concerns have emerged that lack of infusion capacity may limit access to treatment. We predict supply and demand for infusions for AD treatment in the US under different assumptions over a 10-year period.
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