Virological Monitoring of Wastewater as an Element of Surveillance for Emergent and Re-Emergent Infections
Notice bibliographique
Résumé
The risk of biological threats has been constantly increasing in recent years. This is due both to the adaptation of avian and animal pathogens to the human organism as a result of the expansion of the area of human activity and to the development of biotechnologies. Viruses predominate among these pathogens. Examples in recent years are the COVID-19 pandemic and the continued spread of monkeypox (MPX). The situation requires the search for objects for research that would have a high informative value and could help in assessing and predicting the spread of infections. The article analyzed and assessed the potential and importance of virological monitoring of wastewater as an element of surveillance for emergent and re-emergent infections, using the example of some of them (enterovirus infections – poliomyelitis and infection caused by enterovirus D68, COVID-19, and MPX). Monitoring of enteroviruses in wastewater is a routine practice in many countries. Poliomyelitis is subject to eradication, and its incidence is extremely low. The study of wastewater makes it possible to indirectly detect the circulation of poliovirus among people, determine its molecular genetic characteristics (“wild”, vaccine, vaccine-derived poliovirus), the duration of circulation, and ways of spread and take appropriate measures in a timely manner. Enterovirus type D68 gained relevance as a re-emergent infection starting in 2014. Large outbreaks caused by it began to be registered in the USA, Canada, and then in the European region. Previously, the virus caused minor respiratory symptoms, but now it has become the cause of severe acute respiratory disease, particularly in children, and has also acquired neurovirulent properties. Its monitoring in wastewater allows for assessing the actual intensity of the epidemic process of this infection in certain territories and in certain countries, which cannot always be done based on clinical diagnosis without an additional etiological diagnosis. During the 3 years of the pandemic, SARS-CoV-2 has taken root in the human population, but a new parasitic system continues to develop. Wastewater monitoring makes it possible to assess the intensity of the epidemic process of COVID-19, which is supported by manifest forms of infection, asymptomatic persistence of the virus, and convalescents. It also allows for analyzing the effectiveness of quarantine and other restrictive measures, detecting genetic changes in the virus and trends in the formation of new variants of the virus. Since May 2022, MРХ has gone beyond the borders of endemic countries and began to spread rapidly, acquiring the character of a re-emergent infection. A variant of the pathogen (clade 3) began to evolve and became transmissible from person to person. The disease it causes began to radically differ from the previously known MRC due to changes in pathogenesis and epidemiological features. First of all, this concerns the pronounced anthroponotic characteristics of re-emergent MРХ in comparison with the zoonotic manifestations of the previously known endemic MРХ. The article discusses the results of studies conducted in different countries on the determination of MPX virus (MPXV) nucleic acids in wastewater samples using OPG002 gene analysis of all MPXVs (G2R_G), the West African clade (G2R_WA), and virus reference genomes of MPXV of the outbreak in 2022 (G2R_NML). Thus, virological monitoring of wastewater can be used as an effective element of surveillance for most infectious diseases, in particular, emergent and re-emergent ones.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,002 | 0,003 |
| Méta-épidémiologie (sens strict) | 0,001 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,001 |
| Bibliométrie | 0,003 | 0,002 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,002 | 0,001 |
| Science ouverte | 0,000 | 0,001 |
| Intégrité de la recherche | 0,001 | 0,001 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,001 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».