The influence of weather and weather variability on mosquito abundance and infection with West Nile virus in Harris County, Texas, USA

Poh, Karen C.; Chaves, Luis Fernando; Reyna-Nava, Martin; Roberts, Christy M.; Fredregill, Chris; Bueno, Rudy; Debboun, Mustapha; Hamer, Gabriel L.

doi:10.1016/j.scitotenv.2019.04.109

Cited by 59 publications

(58 citation statements)

References 110 publications

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“…Global Change Research Program, 2018). These case studies are consistent with the long-term projections for climate change impacts for extreme heat (Christidis et al, 2011;Hansen et al, 2006;Meehl et al, 2007;Vogel et al, 2019;Zwiers et al, 2011), hurricanes (Keellings & Hernández Ayala, 2019), harmful algal blooms (Hilborn et al, 2014;Poh et al, 2019) and other extreme weather (Nilsen et al, 2011;Papalexiou & Montanari, 2019); allergenic pollen (Anenberg et al, 2017;L. H. Ziska et al, 2019), ozone air pollution (Fann et al, 2015;Kinney, 2018), wildfires (Abatzoglou & Williams, 2016;Liu et al, 2016), West Nile virus (Belova et al, 2017;Paull et al, 2017), and Lyme disease (Monaghan et al, 2015).…”

Section: Case Study Selectionsupporting

confidence: 74%

“…For 2012 hurricanes, we estimate that our analysis captured about 97% of total mortality (U.S. National Oceanic and Atmospheric Administration, ). However, the other case studies constitute smaller portions of the 2012 national burden: 31% of mortality recorded for WNV (Poh et al, ; U.S. Centers for Disease Control and Prevention, ), 10% of extreme weather mortality from thunderstorms and floods (U.S. National Oceanic and Atmospheric Administration, ), 5% of allergenic oak pollen EDs, 4% of heat‐related mortality (U.S. Centers for Disease Control and Prevention, n.d.), 3% of smoke‐related wildfire mortality (Fann et al, ), 2% of estimated ozone‐related mortality (Cromar et al, ), and 0.4% of reported Lyme disease cases (Schwartz, ; U.S. Centers for Disease Control and Prevention, ). No national estimates of HAB‐associated health effects were available for 2012.…”

Section: Resultsmentioning

confidence: 99%

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Estimating the Health‐Related Costs of 10 Climate‐Sensitive U.S. Events During 2012

et al. 2019

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Climate change threatens human health, but there remains a lack of evidence on the economic toll of climate‐sensitive public health impacts. We characterize human mortality and morbidity costs associated with 10 climate‐sensitive case study events spanning 11 US states in 2012: wildfires in Colorado and Washington, ozone air pollution in Nevada, extreme heat in Wisconsin, infectious disease outbreaks of tick‐borne Lyme disease in Michigan and mosquito‐borne West Nile virus in Texas, extreme weather in Ohio, impacts of Hurricane Sandy in New Jersey and New York, allergenic oak pollen in North Carolina, and harmful algal blooms on the Florida coast. Applying a consistent economic valuation approach to published studies and state estimates, we estimate total health‐related costs from 917 deaths, 20,568 hospitalizations, and 17,857 emergency department visits of $10.0 billion in 2018 dollars, with a sensitivity range of $2.7–24.6 billion. Our estimates indicate that the financial burden of deaths, hospitalizations, emergency department visits, and associated medical care is a key dimension of the overall economic impact of climate‐sensitive events. We found that mortality costs (i.e., the value of a statistical life) of $8.4 billion exceeded morbidity costs and lost wages ($1.6 billion combined). By better characterizing health damages in economic terms, this work helps to shed light on the burden climate‐sensitive events already place on U.S. public health each year. In doing so, we provide a conceptual framework for broader estimation of climate‐sensitive health‐related costs. The high health‐related costs associated with climate‐sensitive events highlight the importance of actions to mitigate climate change and adapt to its unavoidable impacts.

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Section: Case Study Selectionsupporting

confidence: 74%

Section: Resultsmentioning

confidence: 99%

Estimating the Health‐Related Costs of 10 Climate‐Sensitive U.S. Events During 2012

et al. 2019

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“…The effect of precipitation was appreciable only for one model out of ten, stressing the uncertainty already reported in literature on the effect of rainfall on mosquito populations [49,52]. In general, is acknowledged that precipitations could contribute to create small basins of enriched water, suitable as reproductive foci for mosquitoes [30]. Also, since larval stages are water-dependent, precipitation could play an important role in creating and maintaining the wet environment necessary for the development of mosquitoes [53].…”

Section: Discussionmentioning

confidence: 88%

“…Also, since larval stages are water-dependent, precipitation could play an important role in creating and maintaining the wet environment necessary for the development of mosquitoes [53]. On the contrary, an excess of rainfall flushes the development foci used by larvae, leading to a decrease in the number of adult mosquitoes at a later moment, determining a reduction in the population growth rates [30,54].…”

Section: Discussionmentioning

confidence: 99%

“…Description Included in IT-AIC c approach (1) GMP Vegetation Index (NDVI 15d ), and the Growing Degree Days (GDD 15d ). Furthermore, since mosquitoes had been observed being sensitive to fluctuations in weather trends [30], also measures of climatic variability were included in the analyses to better investigate associations between mosquito dynamics and their drivers. Beside average measurements, also the kurtoses and standard deviations of the distributions of cumulative daily precipitations (PREC.k 15d and PREC.sd 15d ), and of the daily average temperature (T.k 15d and T.sd 15d ) in the 15 days prior captures were taken into account, to evaluate whether the extent of climatic variation may influence the mosquito growth rates, during the assumed larval development period.…”

Section: Variablementioning

confidence: 99%

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Inter-annual variability of the effects of intrinsic and extrinsic drivers affecting West Nile virus vector Culex pipiens population dynamics in northeastern Italy

Fornasiero

Mazzuccato

Barbujani

et al. 2020

Preprint

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Background: Vector-borne infectious diseases (VBDs) represent a major public health concern worldwide. Among VBDs, West Nile Virus (WNV) showed an increasingly wider spread in temperate regions of Europe, including Italy. During the last decade, WNV outbreaks have been recurrently reported in mosquitoes, horses, wild birds, and humans, showing great variability in the temporal and spatial distribution pattern. Due to the complexity of the environment-host-vector-pathogen interaction and the incomplete understanding of the epidemiological pattern of the disease, WNV occurrences can be hardly predictable. The analyses of ecological drivers responsible for the earlier WNV reactivation and transmission are pivotal; in particular, variations in the vector population dynamics may represent a key point of the recent success of WNV and, more in general, of the VBDs. Methods: We investigated the variations of Culex pipiens population abundance using environmental, climatic and trapping data obtained over nine years (2010 to 2018) through the WNV entomological surveillance program implemented in northeastern Italy. An Information Theoretic approach (IT-AIC c ) and model-averaging algorithms were implemented to examine the relationship between the seasonal mosquito growth rates and both intrinsic (e.g. intraspecific competition) and extrinsic (e.g. environmental and climatic variables) predictors, to identify the most significant combinations of variables outlining the Cx. pipiens population dynamics. Results: Population density (proxy for intraspecific competition) and length of daylight were the predominant factors regulating the mosquito population dynamics; however, also other drivers encompassing environmental and climatic variables had a significant impact, although sometimes counterintuitive and not univocal. The analyses of the single-year datasets, and the comparison with the results obtained from the overall model (all data available from 2010 to 2018), highlighted remarkable differences in coefficients magnitude, sign, and significance. These outcomes indicate that different combinations of factors might have distinctive, and sometimes divergent, effects on mosquito population dynamics.Conclusions: A more realistic acquaintance of the intrinsic and extrinsic mechanism of mosquito population fluctuations in relation to continuous changes in environmental and climatic conditions is DMI: De Martonne

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Seasonal haemosporidian detection in mosquitoes (Diptera: Culicidae) and their interactions with vertebrate hosts in a Mexican cloud forest

Guillén-Rodríguez,

Santiago-Alarcon,

Chapa-Vargas

et al. 2024

Parasitol Res

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The influence of weather and weather variability on mosquito abundance and infection with West Nile virus in Harris County, Texas, USA

Cited by 59 publications

References 110 publications

Estimating the Health‐Related Costs of 10 Climate‐Sensitive U.S. Events During 2012

Estimating the Health‐Related Costs of 10 Climate‐Sensitive U.S. Events During 2012

Inter-annual variability of the effects of intrinsic and extrinsic drivers affecting West Nile virus vector Culex pipiens population dynamics in northeastern Italy

Seasonal haemosporidian detection in mosquitoes (Diptera: Culicidae) and their interactions with vertebrate hosts in a Mexican cloud forest

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