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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9482240 | PMC |
| http://dx.doi.org/10.11604/pamj.2022.42.168.35910 | DOI Listing |
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Reconstructing the first COVID-19 pandemic wave with minimal data in England.
Epidemics
January 2025
Department of Biology, University of Oxford, United Kingdom. Electronic address:
Accurate measurement of exposure to SARS-CoV-2 in the population is crucial for understanding the dynamics of disease transmission and evaluating the impacts of interventions. However, it was particularly challenging to achieve this in the early phase of a pandemic because of the sparsity of epidemiological data. We previously developed an early pandemic diagnostic tool that linked minimum datasets: seroprevalence, mortality and infection testing data to estimate the true exposure in different regions of England and found levels of SARS-CoV-2 population exposure to be considerably higher than suggested by seroprevalence surveys.
View Article and Find Full Text PDFRetrospective modelling of the disease and mortality burden of the 1918-1920 influenza pandemic in Zurich, Switzerland.
Epidemics
January 2025
Institute of Evolutionary Medicine, University of Zurich, Switzerland; Swiss School of Public Health SSPH+, Zurich, Switzerland; Crisis Competence Center, University of Zurich, Switzerland. Electronic address:
Background: Our study aims to enhance future pandemic preparedness by integrating lessons from historical pandemics, focusing on the multidimensional analysis of past outbreaks. It addresses the gap in existing modelling studies by combining various pandemic parameters in a comprehensive setting. Using Zurich as a case study, we seek a deeper understanding of pandemic dynamics to inform future scenarios.
View Article and Find Full Text PDFDisruption of seasonal influenza circulation and evolution during the 2009 H1N1 and COVID-19 pandemics in Southeastern Asia.
Nat Commun
January 2025
School of Public Health, Key Laboratory of Public Health Safety, Ministry of Education, Fudan University, Shanghai, China.
East, South, and Southeast Asia (together referred to as Southeastern Asia hereafter) have been recognized as critical areas fuelling the global circulation of seasonal influenza. However, the seasonal influenza migration network within Southeastern Asia remains unclear, including how pandemic-related disruptions altered this network. We leveraged genetic, epidemiological, and airline travel data between 2007-2023 to characterise the dispersal patterns of influenza A/H3N2 and B/Victoria viruses both out of and within Southeastern Asia, including during perturbations by the 2009 A/H1N1 and COVID-19 pandemics.
View Article and Find Full Text PDFCOVID-19 Reproduction Numbers and Long COVID Prevalences in California State Prisons.
medRxiv
December 2024
Francis I. Proctor Foundation, UCSF, San Francisco, Calif., USA.
Prisons have been hotspots for COVID-19 and likely an important driver of racial disparity in disease burden. From the first COVID-19 case detected through March 25, 2022, 66,684 of 196,652 residents of California's state prison system were infected, most of them in two large winter waves of outbreaks that reached all 35 of the state prisons. We used individual-level data on disease timing and nightly room assignments in these prisons to reconstruct locations and pathways of transmission statistically, and from that estimated reproduction numbers, locations of unobserved infection events, and the subsequent magnitude and distribution of long COVID prevalence.
View Article and Find Full Text PDFEffect of a State-Level Vaping Prevention Campaign on Beliefs and Behaviors in Young People.
Subst Use Misuse
January 2025
Rutgers Institute for Nicotine & Tobacco Studies, New Brunswick, NJ, USA.
Article Synopsis
- The Vermont "Unhyped" vaping prevention campaign successfully increased adolescents' perception of risk related to vaping, with 49.3% of aware participants recognizing the dangers compared to 24.3% of controls.
- Participants aged 12-17 who were aware of the campaign showed reduced willingness to try vaping, with only 15.8% expressing interest in using a vape product, compared to 40.1% of controls.
- While the campaign positively influenced risk perceptions, it did not significantly affect actual vaping behaviors in the long term.
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