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Institución detectada	Período	Navegá	Descargá	Solicitá
No detectada	desde mar. 1997 / hasta dic. 2023	Science Journals

Información

Tipo de recurso:

revistas

ISSN impreso

0036-8075

ISSN electrónico

1095-9203

Editor responsable

American Association for the Advancement of Science (AAAS)

País de edición

Estados Unidos

Fecha de publicación

1880-

Cobertura temática

Ciencias naturales

Tabla de contenidos

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doi: 10.1126/science.abc3517

Estimating the burden of SARS-CoV-2 in France

Henrik Salje; Cécile Tran Kiem; Noémie Lefrancq; Noémie Courtejoie; Paolo Bosetti; Juliette Paireau; Alessio Andronico; Nathanaël Hozé; Jehanne Richet; Claire-Lise Dubost; Yann Le Strat; Justin Lessler; Daniel Levy-Bruhl; Arnaud Fontanet; Lulla Opatowski; Pierre-Yves Boelle; Simon Cauchemez

<jats:title>COVID-19 pandemic in France</jats:title> <jats:p> Coronavirus disease 2019 (COVID-19) exacted a heavy toll in France during March and April 2020. Quarantine measures were effective in reducing transmission by 84%, and some relaxation of social isolation was expected in May. Salje <jats:italic>et al.</jats:italic> fit transmission models for the epidemic in France to hospital admissions. The authors forecast that 2.9 million people will have been infected by 11 May, representing 4.4% of the population—a value inadequate for herd immunity. Daily critical care hospitalizations should reduce from several hundreds to tens of cases, but control will remain a delicate balancing act. Any relaxation of lockdown in France will have to be carefully controlled and monitored to avoid undermining more optimistic forecasts. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6500" page="208" related-article-type="in-this-issue" vol="369" xlink:href="10.1126/science.abc3517">208</jats:related-article> </jats:p>

Palabras clave: Multidisciplinary.

Pp. 208-211

Accedé al texto completo

doi: 10.1126/science.aaz9431

Marginal dentition and multiple dermal jawbones as the ancestral condition of jawed vertebrates

Valéria Vaškaninová; Donglei Chen; Paul Tafforeau; Zerina Johanson; Boris Ekrt; Henning Blom; Per Erik Ahlberg

<jats:title>Teeth and jaws</jats:title> <jats:p> The first vertebrates were jawless, much like a modern hagfish. There has been a lot of interest in how these forms transitioned to having jaws like most of their descendants, including humans. Much of our understanding of this process has focused on how the teeth are replaced relative to the jaw. Previous theories suggested that tooth growth that occurred lingually—or from inside out as in modern fishes—was a derived condition. Vaškaninová <jats:italic>et al.</jats:italic> vertebrates, suggesting that it may have been ancestral. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6500" page="211" related-article-type="in-this-issue" vol="369" xlink:href="10.1126/science.aaz9431">211</jats:related-article> </jats:p>

Palabras clave: Multidisciplinary.

Pp. 211-216

doi: 10.1126/science.369.6500.218