COVID-19: the latest on the epidemic situation and why caution is still needed

On June 8, the Director-General of the World Health Organization stated that although the COVID-19 epidemic situation is improving in Europe, globally it is worsening, and we must avoid lapsing into complacency. The situation is a complex one. The Institut Pasteur provides a brief summary of the latest developments. What are the current key issues, what monitoring indicators are being used, how can we keep up to date with the latest news, and how can we learn to live with the outbreak? Find out more with our overview.

- Updated on July 6, 2020 -

English

Covid-19 : point sur la situation épidémique et pourquoi rester prudents

Le 8 juin, le directeur général de l’Organisation mondiale de la santé a déclaré que, bien que la situation épidémique de la maladie Covid-19 s’améliore en Europe, elle s’aggrave dans le monde, mettant en garde contre tout laisser-aller. La situation est en effet complexe. L’Institut Pasteur vous propose ici un point rapide pour y voir plus clair. Quels sont aujourd’hui les enjeux derrière la situation épidémique, les indicateurs de surveillance, et comment suivre et s’adapter à cette épidémie ? Tour d’horizon.

- Mis à jour le 6 juillet 2020 -

French

Un nouvel arbovirus neurotrope identifié en France : le virus Umbre

Le laboratoire de Découverte de pathogènes de l’Institut Pasteur et le laboratoire de neuropathologie de l’hôpital de la Pitié-Salpêtrière ont initié une recherche de pathogènes dans des cas d’encéphalites mortelles d’origine inconnue. Chez deux patients immunodéprimés, le virus Umbre (genre orthobunyavirus) a été identifié. Ce virus infecte les neurones du cortex cérébral (il est dit neurotrope), la moelle épinière et le foie.

French

Novel neurotropic arbovirus identified in France: the Umbre virus

The Institut Pasteur's Pathogen Discovery Laboratory and the neuropathology laboratory at Pitié-Salpêtrière Hospital set out to identify pathogens in fatal cases of encephalitis of unknown etiology. In two immunosuppressed patients, the Umbre virus (genus Orthobunyavirus) was identified. This virus infects neurons in the cerebral cortex, the spinal cord and the liver. The discovery of a novel arbovirus responsible for encephalitis, and its existence in France, holds particular interest for public health.

English

Small intestine regulates immune surveillance of colorectal cancer during chemotherapy treatment

An international study has demonstrated that the microbiota and the intestinal cell death triggered by chemotherapy stimulate the efficacy of the immune response in patients with colorectal cancer. The results of the study, conducted in France by scientists from Gustave Roussy, Inserm, Université Paris-Saclay, the Institut Pasteur, IHU Méditerranée Infection and INRAE, were published in the journal Nature Medicine. The scientists offer new insights that shed light on the mechanisms governing positive or negative responses to cancer treatments. 

English

Le petit intestin régule la surveillance immunitaire des cancers du côlon lors d’un traitement par chimiothérapie

Le microbiote et la mort cellulaire des cellules de l’intestin provoquée par la chimiothérapie stimulent l’efficacité de la réponse immunitaire des patients atteints d’un cancer du côlon. C’est ce que démontrent les résultats d’une étude internationale publiée dans la revue Nature Medicine et menée en France par des chercheurs de Gustave Roussy, l’Inserm, l’Université Paris-Saclay, l’Institut Pasteur, l’IHU Méditerranée Infections et l’INRAe.

French

Study reveals conditions for the onset of severe forms of COVID-19

Using state-of-the-art sequencing and bioinformatics techniques, scientists from the Institut Pasteur, working with fellow scientists from Israel and China, determined that patients with severe forms of COVID-19 presented an abnormal, ineffective lymphocyte response and a massive infiltration of inflammatory cells in the lungs.

Patients with COVID-19 (see the COVID-19 fact sheet)

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Covid-19: a study in children with hyper-inflammatory syndrome related to Kawasaki disease

The team of the Department of General Pediatrics and Infectious Diseases of the Necker-Enfants Malades AP-HP Hospital, the Institut Pasteur, Inserm and the University of Paris, conducted a prospective observational study between April 27 and May 15, 2020 to describe the characteristics of children and adolescents hospitalized in a context of Kawasaki disease-like syndrome in a COVID-19 epidemic context, with a systemic hyper-inflammatory expression. The results of this study were published on June 3, 2020 in the journal BMJ .

English

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