The impact of multiple non-pharmaceutical interventions for China-bound travel on domestic COVID-19 outbreaks DOI Creative Commons
Lichao Yang,

Mengzhi Hu,

Huatang Zeng

et al.

Frontiers in Public Health, Journal Year: 2023, Volume and Issue: 11

Published: July 13, 2023

Non-pharmaceutical interventions (NPIs) implemented on China-bound travel have successfully mitigated cross-regional transmission of COVID-19 but made the country face ripple effects. Thus, adjusting these to reduce interruptions individuals' daily life while minimizing risk was urgent. An improved Susceptible-Infected-Recovered (SIR) model built evaluate Delta variant's epidemiological characteristics and impact NPIs. To explore associated with inbound travelers occurrence domestic traceable outbreaks, we developed an association parameter that combined traveler counts a time-varying initial value. In addition, multiple functions were used changes in implementation Related parameters run by MCSS method 1,000 iterations derive probability distribution. Initial values, estimated parameters, corresponding 95% CI obtained. Reported existing symptomatic, suspected, asymptomatic case as training datasets. cumulative recovered individual data verify reliability relevant parameters. Lastly, value ratio (Bias2/Variance) stability mathematical model, effects NPIs infected cases analyze sensitivity input The quantitative findings indicated this highly compatible publicly reported collected from July 21 August 30, 2021. number outbreaks. A proportional relationship between variant incubation period PCR test validity found. also predicted restoration pre-pandemic schedules adhering requirements would cause shortages health resources. maximum demand for hospital beds reach 25,000/day, volume tests be 8,000/day, isolation rooms 800,000/day within 30 days. With pandemic approaching end, reexamining it carefully helps better address future This predictive has provided scientific evidence NPIs' effectiveness quantifiable resource allocation. It could guide design epidemic prevention control policies, provide strategic recommendations scarce

Language: Английский

Genomic Surveillance for SARS-CoV-2 — China, September 26, 2022 to January 29, 2023 DOI Open Access

Shiwen Wang,

Peihua Niu,

Qiudong Su

et al.

China CDC Weekly, Journal Year: 2023, Volume and Issue: 5(7), P. 143 - 151

Published: Jan. 1, 2023

Introduction The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has generated 2,431 variants over the course of its global transmission past 3 years. To better evaluate genomic variation SARS-CoV-2 before and after optimization disease 2019 (COVID-19) prevention control strategies, we analyzed genetic evolution branch composition in both domestic imported cases China (the data from Hong Kong Macau Special Administrativc Regions Taiwan, were not included) September 26, 2022 to January 29, 2023. Methods Analysis number genome sequences, sampling time, dynamic changes evolutionary branches, origin, clinical typing submitted by 31 provincial-level administrative divisions (PLADs) Xinjiang Production Construction Corp (XPCC) was conducted assess accuracy timeliness variant surveillance. Results From 2023, 20,013 valid sequences reported China, with 72 branches. Additionally, 1,978 reported, 169 prevalence Omicron consistent that international epidemic variants. Conclusions This study provides an overview China. After optimizing COVID-19 no novel altered biological characteristics or public health significance have been identified since December 1, 2022.

Language: Английский

Citations

27
Low‐Temperature Adaptive Single‐Atom Iron Nanozymes against Viruses in the Cold Chain DOI
Tao Qin, Yulian Chen, Xinyu Miao

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(15)

Published: Jan. 13, 2024

Outbreaks of viral infectious diseases, such as the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and influenza A virus (IAV), pose a great threat to human health. Viral spread is accelerated worldwide by development cold chain logistics; Therefore, an effective antiviral approach required. In this study, it aimed develop distinct strategy using nanozymes with low-temperature adaptability, suitable for logistics. Phosphorus (P) atoms are added remote counter position Fe-N-C center prepare FeN

Language: Английский

Citations

16
SARS‐CoV‐2 cold‐chain transmission: Characteristics, risks, and strategies DOI Creative Commons
Cao Chen,

Yenan Feng,

Zhixiao Chen

et al.

Journal of Medical Virology, Journal Year: 2022, Volume and Issue: 94(8), P. 3540 - 3547

Published: March 31, 2022

Low temperature and certain humidity are conducive to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) for long-time survival long-distance spread during logistics trades. Contaminated cold-chain or frozen products outer packaging act as the carrier of SARS-CoV-2, that infects high-risk population who works in ports, cold storage seafood market. Since disease 2019 (COVID-19) pandemic worldwide, multiple localized outbreaks caused by SARS-CoV-2 contaminated imported have been reported China, which brought challenges COVID-19 prevention control. Here, we review evidences transmission from six confirmed related especially terms whole-genome sequencing virus isolation. In addition, summarize characteristics mode both China suspected other countries. Finally, analyze underlying risks propose preventive countermeasures.

Language: Английский

Citations

23
Cold chain relevance in the food safety of perishable products DOI Creative Commons
Pedro Arriaga-Lorenzo, Ema Maldonado‐Simán, Rodolfo Ramírez‐Valverde

et al.

Foods and raw materials, Journal Year: 2023, Volume and Issue: unknown, P. 116 - 128

Published: Jan. 30, 2023

The food cold chain is an effective tool that allows markets to maintain quality and reduce losses. Poor logistics may result in foodborne disease outbreaks greenhouse gas emissions caused by organic matter decay. ongoing pandemic of COVID-19 makes it necessary study the chances SARS-CoV-2 transmissions products. This reviews as a handy for avoiding safety risks, including COVID-19. perishables its proper management make possible at any stage supply chain. technology covers each link prevent microbial spoilage temperature fluctuations contamination with associated perishable foods. Given lack knowledge this field Latin America, region needs new research determine impact on foodstuffs. only strong weakest link, national international require traceability protocols minimize effect COVID-19.

Language: Английский

Citations

11
Risk control of epidemic in urban cold-chain transportation DOI
Shubing Liao, Xiaojie Li, Yunyun Niu

et al.

Sustainable Cities and Society, Journal Year: 2024, Volume and Issue: 107, P. 105408 - 105408

Published: April 6, 2024

Language: Английский

Citations

3
Point‐of‐care CRISPR/Cas biosensing technology: A promising tool for preventing the possible COVID‐19 resurgence caused by contaminated cold‐chain food and packaging DOI Creative Commons
Xianlong Zhang, Yan Yang,

Juanjuan Cao

et al.

Food Frontiers, Journal Year: 2022, Volume and Issue: 4(1), P. 207 - 232

Published: Oct. 12, 2022

Abstract The ongoing coronavirus disease 2019 (COVID‐19) pandemic caused by severe acute respiratory syndrome 2 (SARS‐CoV‐2) has great public health concern and been a global threat due to its high transmissibility morbidity. Although the SARS‐CoV‐2 transmission mainly relies on person‐to‐person route through droplets, possible contaminated cold‐chain food packaging humans raised widespread concerns. This review discussed possibility of via tracing occurrence, survival in packaging, as well outbreaks related packaging. Rapid, accurate, reliable diagnostics is importance for preventing controlling COVID‐19 resurgence. Therefore, we summarized recent advances emerging clustered regularly interspaced short palindromic repeats (CRISPR)/Cas system‐based biosensing technology that promising powerful resurgence during pandemic, including CRISPR/Cas biosensors their integration with portable devices (e.g., smartphone, lateral flow assays, microfluidic chips, nanopores). Impressively, this not only provided an insight supply chain, but also proposed future opportunities challenges development detection methods diagnosis SARS‐CoV‐2.

Language: Английский

Citations

11
Preparedness for the transmission of pandemic viruses in the food chain DOI Creative Commons
René A. M. Dirks,

Katharina Verhaelen,

M.H. Zwietering

et al.

Food Control, Journal Year: 2023, Volume and Issue: 156, P. 110138 - 110138

Published: Sept. 30, 2023

Governments and the food industry make major efforts to ensure safety throughout global supply chain support availability. Experiences with Coronavirus disease 2019 (COVID-19) have re-emphasized need for preparedness in many sectors, including sector. This position paper analyzes potential introduction transmission of pandemic viruses via hypothesizes which new issues could arise. Two scenarios, a gastrointestinal virus respiratory virus, were explored. Possible risks economic costs transmission, regulatory analytical needs, control strategies associated such scenarios are described. Overall, if was occur, our is currently lacking given potentially limited knowledge pathways, as well access methods detect viral presence infectivity model pathogens, even though societal impact scenario likely extensive. The fomite component be easily neglected or underestimated future pandemic. On other hand, better tools prove lack transmissibility also prevent unnecessary losses across In event foodborne testing would provide clear purpose deviating batches, obtain monitoring data, assess compliance hygiene criteria; however, providing complete through enforcement criteria demonstrated economically unfeasible; therefore, interventions will needed. These messages important business operators governments understand possible opportunities, caveats testing. Narrowing gaps on improvement feasibility required benefit against emergence spread pathogens.

Language: Английский

Citations

6
Genomic Surveillance for SARS-CoV-2 Variants of Concern from Imported COVID-19 Cases - the Mainland of China, 2021. DOI

Yenan Feng,

Xiang Zhao, Zhixiao Chen

et al.

PubMed, Journal Year: 2022, Volume and Issue: 4(31), P. 680 - 684

Published: Aug. 5, 2022

After the epidemic in Wuhan City was brought under control 2020, local outbreaks of coronavirus disease 2019 (COVID-19) mainland China were mainly due to imported COVID-19 cases. The ongoing evolution severe acute respiratory syndrome 2 (SARS-CoV-2) has continued generate new variants. Some have been designated as variants concern (VOCs) by World Health Organization (WHO). To better assess role SARS-CoV-2 surveillance and prevalence VOCs 2021, genomic data from cases 2021 analyzed.The analyses included number sequence submissions, time deposition, detection order determine timeliness sensitivity surveillance. proportions analyzed compared with Global Initiative Sharing All Influenza Data (GISAID).A total 3,355 sequences submitted 29 provincial-level administrative divisions, differences submissions median deposition. A 2,388 more than 90% coverage used for lineage analysis. trend Alpha Delta Omicron consistent that GISAID. In addition, usually identified after WHO designation before causing outbreaks.The global distribution changed rapidly 2021. Robust is great significance.

Language: Английский

Citations

8
Inactivation of porcine epidemic diarrhea virus with electron beam irradiation under cold chain conditions DOI Creative Commons
Yan Liu, Yang Shao, Lu Wang

et al.

Environmental Technology & Innovation, Journal Year: 2022, Volume and Issue: 27, P. 102715 - 102715

Published: June 6, 2022

The many instances of COVID-19 outbreaks suggest that cold chains are a possible route for the spread severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, owing to low temperatures chains, which normally below 0 °C, there limited options virus inactivation. Here, high-energy electron beam (E-beam) irradiation was used inactivate porcine epidemic diarrhea (PEDV) under simulated chain conditions. This as surrogate SARS-CoV-2. mechanism by E-beam inactivates PEDV also explored. An dose 10 kGy reduced infectious viral titer 1.68-1.76 log10TCID 50/100μ L in environment, suggesting greater than 98.1% inactivated. at 5-30 damaged genomic RNA with an efficiency 46.25%-92.11%. integrity capsid disrupted 20 kGy. rapid and effective inactivation freezing indicates promising technology disinfecting SARS-CoV-2 logistics limit transmission COVID-19.

Language: Английский

Citations

7
Needs, Challenges and Countermeasures of SARS-CoV-2 Surveillance in Cold-Chain Foods and Packaging to Prevent Possible COVID-19 Resurgence: A Perspective from Advanced Detections DOI Creative Commons
Yaru Li,

Jiali Qiao,

Xiao Han

et al.

Viruses, Journal Year: 2022, Volume and Issue: 15(1), P. 120 - 120

Published: Dec. 30, 2022

The pandemic caused by SARS-CoV-2 has a huge impact on the global economy. could possibly and potentially be transmitted to humans through cold-chain foods packaging (namely good-to-human), although it mainly depends human-to-human route. It is imperative develop countermeasures cope with spread of viruses fulfil effective surveillance packaging. This review outlined SARS-CoV-2-related food incidents current methods for detecting SARS-CoV-2. Then needs, challenges practicable detection, specifically packaging, were underlined. In fact, currently established detection are mostly used humans; thus, these may not ideally applied directly. Therefore, creates need novel low-cost, automatic, mini-sized devices intended draw people’s attention possible proposed perspectives futuristic monitoring during pandemic.

Language: Английский

Citations

7