SARS-CoV-2 persistence on common food covering materials: plastic wrap, fruit wax, and cardboard takeout containers DOI Creative Commons

David C. Glasbrenner,

Young Wook Choi, Jason K. Middleton

et al.

Journal of Applied Microbiology, Journal Year: 2022, Volume and Issue: 134(2)

Published: Dec. 16, 2022

Assess the persistence of infectious SARS-CoV-2 virus and genomic material on three common food coverings.The stability plastic wrap, fruit wax, cardboard takeout containers was measured. in simulated saliva applied to surface these materials allowed dry. Samples were stored at 4°C or 20°C a relative humidity 30%, 50%, 65%, 70% for up 7 days. Viability measured by TCID50 half-life determined be ~24 hours ~8 20°C, respectively, all surfaces RH tested. There no loss as qRT-PCR conditions evaluated.SARS-CoV-2 remains coverings It is estimated that 99.9% reduction titer requires 10 days 3 showed when assayed qRT-PCR. Significance Impact Study: loses infectivity over certain period, but PCR assays can still detect throughout same time. Thus, testing controls may need consider fact detected present.

Language: Английский

The Cold-Adapted, Temperature-Sensitive SARS-CoV-2 Strain TS11 Is Attenuated in Syrian Hamsters and a Candidate Attenuated Vaccine DOI Creative Commons
Jiayu Xu, Mingde Liu, Xiaoyu Niu

et al.

Viruses, Journal Year: 2022, Volume and Issue: 15(1), P. 95 - 95

Published: Dec. 29, 2022

Live attenuated vaccines (LAVs) replicate in the respiratory/oral mucosa, mimic natural infection, and can induce mucosal systemic immune responses to full repertoire of SARS-CoV-2 structural/nonstructural proteins. Generally, LAVs produce broader more durable protection than current COVID-19 vaccines. We generated a temperature-sensitive (TS) mutant TS11 via cold-adaptation WA1 strain Vero E6 cells. replicated at >4 Log10-higher titers 32 °C 39 °C. has multiple mutations, including those nsp3, 12-amino acid-deletion spanning furin cleavage site S protein 371-nucleotide-deletion ORF7b-ORF8 genes. tested pathogenicity protective efficacy against challenge with heterologous virulent D614G 14B Syrian hamsters. Hamsters were randomly assigned mock immunization-challenge (Mock-C) (TS11-C) groups. Like group, TS11-vaccinated hamsters did not show any clinical signs continuously gained body weight. well nasal cavity but poorly lungs caused only mild lesions lungs. After challenge, Mock-C group lost In contrast, animals TS11-C continued gaining The virus turbinates significantly lower confirming effects immunization Histopathological examination demonstrated that had severe pulmonary large amounts viral antigens post-challenge; however, minimal pathological changes few antigen-positive summary, was induced disease after

Language: Английский

Citations

12
Freezing enhances the killing of S. aureus by thymol via a unique bactericidal mechanism in cold chain food DOI
Hongyan Zhang, Zhen Yang, Zhen Wang

et al.

Food Control, Journal Year: 2023, Volume and Issue: 153, P. 109936 - 109936

Published: June 13, 2023

Language: Английский

Citations

6
Transmission of SARS-CoV-2 on Cold-Chain Food: Precautions Can Effectively Reduce the Risk DOI Open Access

Meiyue Guo,

Junfeng Yan,

Yuan Hu

et al.

Food and Environmental Virology, Journal Year: 2022, Volume and Issue: 14(3), P. 295 - 303

Published: June 29, 2022

Language: Английский

Citations

9
Consideration of COVID-19 beyond the human-centred approach of prevention and control: the ONE-HEALTH perspective DOI Creative Commons
Qin Li, Robert Bergquist, Liz Grant

et al.

Emerging Microbes & Infections, Journal Year: 2022, Volume and Issue: 11(1), P. 2520 - 2528

Published: Sept. 14, 2022

Most of the new emerging and re-emerging zoonotic virus outbreaks in recent years stem from close interaction with dead or alive infected animals. Since late 2019, coronavirus disease 2019 (COVID-19) has spread into 221 countries territories resulting to 300 million known infections 5.4 deaths addition a huge impact on both public health world economy. This paper reviews COVID-19 prevalence animals, raise concerns about animal welfare discusses role environment transmission COVID-19. Attention is drawn One Health concept as it emphasizes connection risk establishment diseases shared between animals humans. Considering importance for an effective response dissemination pandemic character, some unsettled issues respect are highlighted.

Language: Английский

Citations

8
The Multifaceted Relationship between the COVID-19 Pandemic and the Food System DOI Creative Commons
Antonello Paparella, Chiara Purgatorio, Clemencia Chaves‐López

et al.

Foods, Journal Year: 2022, Volume and Issue: 11(18), P. 2816 - 2816

Published: Sept. 13, 2022

The SARS-CoV-2 pandemic is being questioned for its possible food transmission, due to several reports of the virus on food, outbreaks developed in companies, as well origins linked wet market Wuhan, China. purpose this review analyze scientific evidence gathered so far relationship between and pandemic, considering all aspects system that can be involved. collected data indicate there no foods represent a risk transmission SARS-CoV-2. In fact, even if persist surfaces, are currently proven cases infection from food. Moreover, showed have deeply influenced eating habits consumers their purchasing methods, but also enhanced waste poverty. Another important finding role meat processing plants suitable environments onset outbreaks. Lessons learned include correct management spaces, hygiene education both workers common people, enhancement alternative commercial channels, reorganization activities, particular markets, intensive farming, following practices. All these outcomes lead another crucial lesson, which importance resilience system. These lessons should assimilated deal with present future emergencies. Future research directions further investigation factors favor emergence viruses, innovative technologies reduce viral transmission.

Language: Английский

Citations

8
Cold Chain Food and COVID-19 Transmission Risk: From the Perspective of Consumption and Trade DOI Creative Commons
Chao Zhang, Yanzhao Yang, Zhiming Feng

et al.

Foods, Journal Year: 2022, Volume and Issue: 11(7), P. 908 - 908

Published: March 22, 2022

Since the outbreak of coronavirus disease 2019 (COVID-19), political and academic circles have focused significant attention on stopping chain COVID-19 transmission. In particular outbreaks related to cold food (CCF) been reported, there remains a possibility that CCF can be carrier. Based consumption trade matrix data, here, "source" transmission through was analyzed using complex network analysis method, informing construction risk assessment model reflecting internal external dynamics. The included index, level, urbanization quantity, others. level by dominant types were at national global scales as well community level. results follows. (1) is typically dominated six core countries in main communities, such Indonesia, Argentina, Ukraine, Netherlands, USA. These locations are one highest sources for (2) specific communities higher than average, with Netherlands-Germany being There eight European (i.e., Germany, Belgium, France, Spain, Britain, Italy, Poland) three American (namely USA, Mexico, Brazil) facing very high CCF. (3) Of countries, 62% diffusion 23% input risk. comprehensive mainly experience risks from inputs. This study provides methods tracing source virus policy reference preventing maintaining security supply chain.

Language: Английский

Citations

7
Transmission pattern and city-based network of COVID-19 during sporadic outbreaks DOI
Lu Zhao, Xiaoxu Wu, Jiatong Han

et al.

Cities, Journal Year: 2024, Volume and Issue: 154, P. 105326 - 105326

Published: Aug. 17, 2024

Language: Английский

Citations

1
Covid-19: Early Cases and Disease Spread DOI Creative Commons
J. Reis, Alain Le Faou, Alain Buguet

et al.

Annals of Global Health, Journal Year: 2022, Volume and Issue: 88(1), P. 83 - 83

Published: Sept. 29, 2022

The emergence and global spread of the Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is critical to understanding how prevent or control a future viral pandemic. We review tools used for this retrospective search, their limits, results obtained from China, France, Italy USA. examine possible scenarios SARS-CoV-2 in human population. consider Chinese city Wuhan where first cases atypical pneumonia were attributed disease worldwide. Possible superspreading events include Wuhan-based 7th Military World Games on October 18-27, 2019 New Year holidays January 25 February 2, 2020. Several clues point an early regional circulation northern (Lombardi) as soon September/October France November/December 2019, if not before. With goal preventing pandemics, we call additional studies designed trace origin SARS-CoV-2.

Language: Английский

Citations

6
Cold-Chain-Food-Related COVID-19 Surveillance in Guangzhou between July 2020 and December 2022 DOI Creative Commons

Zongqiu Chen,

Xiaoning Li,

Jinhua Zhou

et al.

Foods, Journal Year: 2023, Volume and Issue: 12(14), P. 2701 - 2701

Published: July 14, 2023

Objective: To monitor severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA contamination in samples linked to imported cold-chain food and assess the situation from implementation of a centralized supervision warehouse system Guangzhou, Guangdong Province, China. Methods: Swabs workers frozen-food-related were collected between July 2020 December 2023 Province. SARS-CoV-2 was extracted analyzed by real-time quantitative polymerase chain reaction using commercially available nucleic acid test kit. The risk level source monitored simultaneously. Results: A total 283 positive events found Guangzhou since first cold-chain-related event disease 2019 pandemic identified 2020. Most low-to-medium risk, cycle threshold value >30. No live virus detected, no staff came into direct contact with virus. In total, 87.63% through sampling testing at warehouse. Conclusion: Cold-chain has relatively low transmitting SARS-CoV-2. Centralized storage can be used as an effective method control this measure also for other food-related, contact-transmitted diseases.

Language: Английский

Citations

3
Application of Stress and Anxiety to Viral Epidemics-6 to Measure the Anxiety Response of Cold Chain Practitioners During the COVID-19 Post-Pandemic Era in China DOI Open Access
He Runlian, Du Xinjie, Oli Ahmed

et al.

Psychiatry Investigation, Journal Year: 2023, Volume and Issue: 20(2), P. 75 - 83

Published: Feb. 23, 2023

This study explored the psychometric properties of Chinese version Stress and Anxiety to Viral Epidemics-6 Items (SAVE-6) scale for cold chain practitioners exposed moderate-to-high risk infection.A total 233 participated in an anonymous online survey, conducted from October November 2021. The questionnaire comprised participant demographic characteristics, SAVE-6, Generalized Disorders-7 (GAD-7), Patient Health Questionnaire-9 (PHQ-9) scales.Based on results parallel analysis, single-structure model SAVE-6 was adopted. showed satisfactory internal consistency (Cronbach's alpha=0.930) good convergent validity based Spearman's correlation coefficient with GAD-7 (rho=0.616, p<0.001) PHQ-9 (rho=0.540, scores. optimal cutoff score Epidemics-9 identified as ≥12 (area under curve=0.797, Sensitivity=0.76, Specificity=0.66) practitioners.The has can be applied a reliable valid rating assess anxiety response post-pandemic era.

Language: Английский

Citations

2