SARS-CoV-2 seroprevalence around the world: an updated systematic review and meta-analysis DOI Creative Commons
Mobin Azami, Yousef Moradi, Asra Moradkhani

et al.

European journal of medical research, Journal Year: 2022, Volume and Issue: 27(1)

Published: June 2, 2022

Covid-19 has been one of the major concerns around world in last 2 years. One challenges this disease to determine its prevalence. Conflicting results serology test Covid explored need for an updated meta-analysis on issue. Thus, systematic review aimed estimate prevalence global SARS-CoV-2 different populations and geographical areas.To identify studies evaluating seroprevalence SARS-CoV-2, a comprehensive literature search was performed from international databases, including Medline (PubMed), Web Sciences, Scopus, EMBASE, CINHAL.In meta-analysis, showed that is between 3 15% worldwide. In Eastern Mediterranean, pooled (CI 95% 5-29%), Africa, 6% 1-13%). America, 8% 6-11%), Europe, 5% 4-6%). Also region, Western Pacific, 3% 2-4%). Besides, we analyzed three these areas separately. This analysis estimated subgroups such as study population, diagnostic methods, sampling time, perspective, type study.The present Even considering low rate increasing vaccination world, many people are still susceptible SARS-CoV-2.

Language: Английский

An ensemble model based on early predictors to forecast COVID-19 health care demand in France DOI Creative Commons
Juliette Paireau, Alessio Andronico, Nathanaël Hozé

et al.

Proceedings of the National Academy of Sciences, Journal Year: 2022, Volume and Issue: 119(18)

Published: April 27, 2022

Short-term forecasting of the COVID-19 pandemic is required to facilitate planning health care demand in hospitals. Here, we evaluate performance 12 individual models and 19 predictors anticipate French COVID-19-related needs from September 7, 2020, March 6, 2021. We then build an ensemble model by combining forecasts retrospectively test this 2021, July find that inclusion early (epidemiological, mobility, meteorological predictors) can halve rms error for 14-d–ahead forecasts, with epidemiological mobility contributing most improvement. On average, best or second-best model, depending on evaluation metric. Our approach facilitates comparison benchmarking competing through their integration a coherent analytical framework, ensuring avenues future improvements be identified.

Language: Английский

Citations

48

Associations between indoor relative humidity and global COVID-19 outcomes DOI Creative Commons

C. A. Verheyen,

Lydia Bourouiba

Journal of The Royal Society Interface, Journal Year: 2022, Volume and Issue: 19(196)

Published: Nov. 1, 2022

Globally, the spread and severity of COVID-19 have been distinctly non-uniform. Seasonality was suggested as a contributor to regional variability, but relationship between weather remains unclear focus attention has on outdoor conditions. Because humans spend most their time indoors because transmission occurs indoors, we here, instead, investigate hypothesis that indoor climate—particularly relative humidity (RH)—may be more relevant modulator outbreaks. To study this association, combined population-based statistics meteorological measurements from 121 countries. We rigorously processed epidemiological data reduce bias, then developed experimentally validated computational workflow estimate conditions based standard comfort Our comprehensive analysis shows robust systematic relationships outbreaks RH. In particular, found intermediate RH (40–60%) robustly associated with better outbreak outcomes (versus < 40% or >60%). Together, these results suggest conditions, particularly RH, modulate

Language: Английский

Citations

39

Conditioning factors in the spreading of Covid-19 – Does geography matter? DOI Creative Commons
Vittoria Vandelli, Lucia Palandri, Paola Coratza

et al.

Heliyon, Journal Year: 2024, Volume and Issue: 10(3), P. e25810 - e25810

Published: Feb. 1, 2024

There is evidence in literature that the spread of COVID-19 can be influenced by various geographic factors, including territorial features, climate, population density, socioeconomic conditions, and mobility. The objective paper to provide an updated review on geographical studies analysing factors which spreading. This took into account not only aspects but also COVID-19-related outcomes (infections deaths) allowing discern potential influencing role per type outcome. A total 112 scientific articles were selected, reviewed categorized according subject area, aim, country/region study, considered variables, spatial temporal units analysis, methodologies, main findings. Our showed features may have played a determining uneven geography COVID-19; for instance, certain agreement was found regarding direct relationship between urbanization degree infections. For what concerns climatic temperature variable correlated best with Together socio-demographic ones extensively taken account. Most analysed agreed density human mobility had significant infections deaths. analysis different approaches used investigate spreading pandemic revealed significance/representativeness outputs scale due great variability aspects. In fact, more robust association conducted at subnational or local rather than country scale.

Language: Английский

Citations

11

Global to USA County Scale Analysis of Weather, Urban Density, Mobility, Homestay, and Mask Use on COVID-19 DOI Open Access
Sajad Jamshidi, Maryam Baniasad, Dev Niyogi

et al.

International Journal of Environmental Research and Public Health, Journal Year: 2020, Volume and Issue: 17(21), P. 7847 - 7847

Published: Oct. 26, 2020

Prior evaluations of the relationship between COVID-19 and weather indicate an inconsistent role meteorology (weather) in transmission rate. While some effects due to may exist, we found possible misconceptions biases analysis that only consider impact meteorological variables alone without considering urban metabolism environment. This study highlights assessments can notably benefit by incorporating factors account for dynamics environmental exposure. We evaluated (considering equivalent temperature combines effect humidity air temperature) with particular consideration density, mobility, homestay, demographic information, mask use within communities. Our findings highlighted importance spatial temporal scales interpreting weather/climate on spread spatiotemporal lags causal processes effects. On global regional scales, contradictory relationships rate, confounded decentralized policies, variability, onset screening COVID-19, highlighting unlikely alone. At a finer scale, mobility index (with relative 34.32%) was be highest contributing factor pandemic growth, followed homestay (26.14%), population (23.86%), density (13.03%). The itself identified as noninfluential (relative < 3%). highlight relation needs areas improve predictions.

Language: Английский

Citations

66

A framework for research linking weather, climate and COVID-19 DOI Creative Commons
Benjamin F. Zaitchik, Neville Sweijd,

Joy Shumake-Guillemot

et al.

Nature Communications, Journal Year: 2020, Volume and Issue: 11(1)

Published: Nov. 12, 2020

Early studies of weather, seasonality, and environmental influences on COVID-19 have yielded inconsistent confusing results. To provide policy-makers the public with meaningful actionable environmentally-informed risk estimates, research community must meet robust methodological communication standards.

Language: Английский

Citations

52

Associations between meteorology and COVID-19 in early studies: Inconsistencies, uncertainties, and recommendations DOI Creative Commons
Gaige Hunter Kerr, Hamada S. Badr, Lauren Gardner

et al.

One Health, Journal Year: 2021, Volume and Issue: 12, P. 100225 - 100225

Published: Feb. 10, 2021

Meteorological variables, such as the ambient temperature and humidity, play a well-established role in seasonal transmission of respiratory viruses influenza temperate climates. Since onset novel coronavirus disease 2019 (COVID-19) pandemic, growing body literature has attempted to characterize sensitivity COVID-19 meteorological factors thus understand how changes weather seasonality may impede transmission. Here we select subset this literature, summarize diversity these studies' scopes methodologies, show lack consensus their conclusions on roles temperature, other dynamics. We discuss several aspects methodologies challenge direct comparisons across studies inflate importance further comment outstanding challenges for area research future might overcome them by carefully considering robust modeling approaches, adjusting mediating covariate effects, choosing appropriate scales analysis.

Language: Английский

Citations

48

Antiviral Face Mask Functionalized with Solidified Hand Soap: Low-Cost Infection Prevention Clothing against Enveloped Viruses Such as SARS-CoV-2 DOI Creative Commons
Alba Cano-Vicent, Alberto Tuñón-Molina, Miguel Martí

et al.

ACS Omega, Journal Year: 2021, Volume and Issue: 6(36), P. 23495 - 23503

Published: Sept. 2, 2021

Infection prevention clothing is becoming an essential protective tool in the current pandemic, especially because now we know that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can easily infect humans poorly ventilated indoor spaces. However, commercial infection made of fabrics are not capable inactivating virus. Therefore, viral infections symptomatic and asymptomatic individuals wearing such as masks occur through aerosol transmission or by contact with contaminated surfaces masks, which suspected increasing source highly infectious biological waste. Herein, report easy fabrication method a novel antiviral non-woven fabric containing polymer filaments were coated solidified hand soap. This extra enveloped viruses SARS-CoV-2 phage Φ6 within 1 min contact. In this study, was used to fabricate face mask did show any cytotoxic effect human keratinocyte HaCaT cells. Furthermore, could be for other caps, scrubs, shirts, trousers, disposable gowns, overalls, hoods, aprons, shoe covers. low-cost technology provide wide range infection-protective tools combat COVID-19 future pandemics developed underdeveloped countries.

Language: Английский

Citations

45

Meteorological factors' effects on COVID-19 show seasonality and spatiality in Brazil DOI
Caichun Yin, Wenwu Zhao, Paulo Pereira

et al.

Environmental Research, Journal Year: 2022, Volume and Issue: 208, P. 112690 - 112690

Published: Jan. 6, 2022

Language: Английский

Citations

30

A meta-analysis result: Uneven influences of season, geo-spatial scale and latitude on relationship between meteorological factors and the COVID-19 transmission DOI
Hongli Li,

Bai‐Yu Yang,

li-Jing Wang

et al.

Environmental Research, Journal Year: 2022, Volume and Issue: 212, P. 113297 - 113297

Published: April 15, 2022

Language: Английский

Citations

29

What have we learned about socioeconomic inequalities in the spread of COVID-19? A systematic review DOI Open Access
Francisco Benita,

Leonardo Rebollar-Ruelas,

Edgar David Gaytán-Alfaro

et al.

Sustainable Cities and Society, Journal Year: 2022, Volume and Issue: 86, P. 104158 - 104158

Published: Aug. 31, 2022

Language: Английский

Citations

29