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2. Opinion paper: Severe Acute Respiratory Syndrome Coronavirus 2 and domestic animals: what relation?

Author

G. Meyer, Nicole Pavio, S. Le Poder, E. Khamisse, P. Brown, François Meurens, M. Ar Gouilh, Gaëlle Simon, Elodie Monchatre-Leroy, Charlotte Dunoyer, Unité Evaluation des risques liés à la santé, l’alimentation et au bien-être des animaux (UERSABA), Direction de l'Evaluation des Risques (DER), Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail (ANSES)-Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail (ANSES), Groupe de Recherche sur l'Adaptation Microbienne (GRAM 2.0), Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Normandie Université (NU)-Université de Caen Normandie (UNICAEN), Normandie Université (NU), Service de Virologie [CHU Caen], CHU Caen, Normandie Université (NU)-Tumorothèque de Caen Basse-Normandie (TCBN)-Normandie Université (NU)-Tumorothèque de Caen Basse-Normandie (TCBN), Laboratoire de Ploufragan-Plouzané-Niort [ANSES], Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail (ANSES), Biologie, Epidémiologie et analyse de risque en Santé Animale (BIOEPAR), Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Interactions hôtes-agents pathogènes [Toulouse] (IHAP), Ecole Nationale Vétérinaire de Toulouse (ENVT), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE), Laboratoire de la rage et de la faune sauvage de Nancy (LRFSN), Virologie UMR1161 (VIRO), and École nationale vétérinaire d'Alfort (ENVA)-Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail (ANSES)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)

Subjects
medicine.medical_specialty, 040301 veterinary sciences, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), medicine.disease_cause, SF1-1100, Occupational safety and health, 0403 veterinary science, Environmental health, Opinion Paper, Pandemic, medicine, China, Coronavirus, [SDV.BA.MVSA]Life Sciences [q-bio]/Animal biology/Veterinary medicine and animal Health, SARS-CoV-2, business.industry, Public health, 0402 animal and dairy science, COVID-19, Outbreak, 04 agricultural and veterinary sciences, medicine.disease, 040201 dairy & animal science, Animal culture, 3. Good health, Domestic animals, Pneumonia, Animal Science and Zoology, MESH: severe acute respiratory syndrome coronavirus 2 [Supplementary Concept], business
Abstract

This document was prepared thanks to the collective expertappraisal, carried out by the Anses’expert group‘GECUCovid-19’(ANSES opinion 2020-SA-0037), chaired by Sophie Le Poder and whose members for the animal health component are cited in the authors.; International audience; In late December 2019, an outbreak of clustered cases of pneumonia associated with a novel coronavirus was reported by the Chinese authorities to the World Health Organization (WHO). Several initial confirmed cases were linked to a wetmarket selling live animals and seafood products in Wuhan(Hubei province), China (Huang et al.,2020). On 30 January 2020, the WHO declared the outbreak a Public Health Emergency of International Concern. On 11 February 2020, the causative pathogen was officially named Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), responsible for Coronavirus Disease 2019 (COVID-19) (DuToit, 2020). Severe Acute Respiratory Syndrome Coronavirus 2 is mainly transmitted from person to person, by direct or indirect contact, through infectious microdroplets emitted wheninfected individuals spit, sneeze or cough (Bernard Stoecklin et al.,2020). The massive circulation of this new pandemiccoronavirus with a probable zoonotic origin raised questions on its ability to spillover to animal species and on the potential consequences of such events on both animals and humans. This public health concern came to the attention of animal health authorities given the close contacts between humans and domestic animals. Therefore, in France, the French Agency for Food, Environmental and Occupational Health and Safety (ANSES) established an Emergency Collective Expert Appraisal Group (Groupe d’Expertise Collective d’Urgence, GECU‘Covid-19’). The GECU ‘Covid-19’ urgently convened on 4 March 2020 and 8 April 2020 to conduct an evaluation of the potential role of domestic animals in the ongoing COVID-19 pandemic.

Published
2020

4. Impact of cleaning and disinfection on the non-culturable and culturable bacterial loads of food-contact surfaces at a beef processing plant.

Author

Khamisse E, Firmesse O, Christieans S, Chassaing D, and Carpentier B

Subjects
Animals, Bacteria growth & development, Bacteria isolation & purification, Cattle, Colony Count, Microbial, Disinfection methods, Equipment Contamination, Plants, Real-Time Polymerase Chain Reaction, Bacterial Load, Food Handling instrumentation, Meat microbiology, Polyvinyl Chloride, Stainless Steel
Abstract

We assessed the impact of industrial cleaning and disinfection (C&D) on colony-forming units (CFUs), viable (culturable and viable but non-culturable) cells and on total cells (viable and dead cells). Bacterial loads on polyvinyl chloride (PVC) and stainless steel surfaces in a cutting room at a beef processing plant were determined before and after C&D by real-time PCR to quantify cells from successive swabs from surfaces with or without an ethidium monoazide pre-treatment and by CFU counts on tryptone soy agar. Agar contact plates were also applied after C&D for comparison. Before C&D, total cells reached 5.4 and 4.7 log cells/cm(2), viable cells 4.0 and 4.4 log cells/cm(2) and CFUs 3.1 and 2.9 log CFU/cm(2) on PVC and stainless steel surfaces, respectively. Although C&D left surfaces visually clean, it did not lead to a significant reduction in total cells. Significant reductions were only observed on PVC for CFUs: 0.8 log and on stainless steel surfaces for viable cells and CFUs: 0.8 and 1.5 log, respectively. Our results show that CFUs were both more easily detached and killed on stainless steel surfaces than on PVC surfaces. Other important results include the following observations: 1) a single swabbing detached only between 2 and 27% of the actual bacterial load; 2) after C&D, the difference between the actual culturable population and the one assessed by one agar contact plate was 1.9 and 2.7 log CFU/cm(2) on PVC and stainless steel surfaces, respectively., (Copyright © 2012 Elsevier B.V. All rights reserved.)

Published
2012
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