Notice bibliographique
Résumé
On April 23rd 2009, health authorities in Mexico informed that a new virus was causing an increasing number of severe pneumonia cases in adults with unusually high mortality. After three weeks of intensive clinical and epidemiological research, a new influenza virus was identified as the unknown pathogen in most of the clinical samples sent by Mexico to labs in Winnipeg and Atlanta. The WHO was notified on the night of the 22nd, as soon as the information on etiology was available. At the same time, strict distancing measures were initiated in Mexico City and its suburbs; schools were closed and noncritical activities suspended. The problem was first evident at the Emergency Room of the National Institute of Respiratory Diseases, and confirmed by simultaneous reports received from San Luis Potosi and Oaxaca. We focused our analysis on cases with severe viral pneumonia and thus overestimated the mortality of the virus during the first weeks of the outbreak – the full picture was apparent only afterwards. The initial response was timely as oseltamivir, educational materials, and protective medical equipment were ready to be sent thanks to Mexico's national preparedness plan for a pandemic. 1340 cases fulfilled the case definition during the first month. Mexico's strict social distancing measures had a significant impact on the number of cases but were later relaxed. The epidemic curve shows a sharp increase, followed by a decrease in the number of cases, with growth during June and July due to a high number of cases in the southeast region. More recently, another wave of increased transmission was present in the metropolitan area. A significant feature of this outbreak has been the increased mortality in patients between 15 and 55 years old, some previously healthy, with no increase in the young and the old population. Pregnancy and obesity have also been identified as risk factors for severity. Previous immunity probably plays a role in the severity related to age. Many lessons should be learned from this epidemic: Collaboration, preparedness, transparency, and the importance of being alert towards the unexpected. Abstracts for SupplementInternational Journal of Infectious DiseasesVol. 14Preview Full-Text PDF Open Archive
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 | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,001 | 0,001 |
| Études des sciences et des technologies | 0,001 | 0,000 |
| Communication savante | 0,001 | 0,000 |
| Science ouverte | 0,000 | 0,001 |
| Intégrité de la recherche | 0,001 | 0,000 |
| 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 ».