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The silent threat: Unveiling climate change's water and health challenges in Bangladesh.
J Water Health
November 2024
Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh; Nagoya University, Nagoya, Japan E-mail:
Bangladesh faces a growing number of issues, such as limited sources of potable water and health hazards that are either directly or indirectly linked to climate change. In total, 16 publications from 2007 to 2024 were manually screened for inclusion in this systematic review. The articles were divided into three categories: climate and water, climate and health, and climate, water, and health.
View Article and Find Full Text PDFThe silent invaders: Oropouche and Melao viruses, causes of increased public health risks for the Americas.
Infect Dis (Lond)
November 2024
Centre for Biosecurity Studies, The University of the West Indies, Bridgetown, Barbados.
The Oropouche virus (OROV) is emerging as a major public health threat worldwide, yet for the Americas, it raises complex challenges that intersect with other existing arboviral threats such as Zika (ZIKV), dengue (DENV) and Chikungunya (CHIKV) viruses. Originating from Trinidad and Tobago in 1955, it has spread across the Amazonian Basin and more recently into the Caribbean (Cuba and Haiti) and Europe, highlighting the importance of air travel in its dissemination. OROV and the less studied Melao virus (MELV), pose significant laboratory diagnostic challenges particularly in regions co-endemic with other arboviral diseases, such as dengue and Zika fever.
View Article and Find Full Text PDFA prM mutation that attenuates dengue virus replication in human cells enhances midgut infection in mosquitoes.
Sci Transl Med
July 2024
Programme in Emerging Infectious Diseases, Duke-NUS Medical School, 8 College Rd, Singapore 169857, Singapore.
Dengue viruses (DENVs), like all viruses, evolve to perpetuate transmission of their species in their hosts. However, how DENV genetics influences dengue disease outbreaks remains poorly understood. Here, we examined isolates of the South Pacific dengue virus type 2 (DENV-2) that emerged in the 1970s and caused major dengue outbreaks in islands in this region until it reached Tonga, where only a few mild cases were reported.
View Article and Find Full Text PDFDengue virus preferentially uses human and mosquito non-optimal codons.
Mol Syst Biol
October 2024
Stowers Institute for Medical Research, 1000 E 50th Street, Kansas City, MO, 64110, USA.
Codon optimality refers to the effect that codon composition has on messenger RNA (mRNA) stability and translation level and implies that synonymous codons are not silent from a regulatory point of view. Here, we investigated the adaptation of virus genomes to the host optimality code using mosquito-borne dengue virus (DENV) as a model. We demonstrated that codon optimality exists in mosquito cells and showed that DENV preferentially uses nonoptimal (destabilizing) codons and avoids codons that are defined as optimal (stabilizing) in either human or mosquito cells.
View Article and Find Full Text PDFA Pilot Seroprevalence Study Suggests Silent Zika virus Transmission in Bhopal Region of Central India.
Indian J Public Health
April 2024
Professor and HOD, Department of Microbiology, AIIMS, Bhopal, Madhya Pradesh, India.
Background: Several sporadic cases and outbreaks of Zika virus disease have been reported from different states of India.
Objectives: This paper explored the possibility of any ongoing transmission of Zika virus (ZIKV) in the Bhopal region of Central India, where the last outbreak of this disease was reported in 2018.
Materials And Methods: We screened a group of 75 febrile patients who had already tested negative for the locally endemic causes of fever like dengue, chikungunya, enteric fever, malaria, and scrub typhus and two groups of asymptomatic healthy individuals represented by blood donors (n = 75) and antenatal mothers (n = 75).
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