Russie Ukraine

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Une de ObsAnt

Le 24 février 2022, l’Europe se réveille et apprend que la Russie agresse militairement l’Ukraine. C’est la guerre. Ci-dessous, les références concernant ce conflit et ses conséquences.

Résultats pour:
PubMed

mai 2024

Fear appeals are a polarizing issue, with proponents confident in their efficacy and opponents confident that they backfire. We present the results of a comprehensive meta-analysis investigating fear appeals' effectiveness for influencing attitudes, intentions, and behaviors. We tested predictions f …

août 2019

Since the eradication of smallpox, there have been increases in poxvirus infections and the emergence of several novel poxviruses that can infect humans and domestic animals. In 2015, a novel poxvirus was isolated from a resident of Alaska. Diagnostic testing and limited sequence analysis suggested …

novembre 2011

In recent years, governments of several low-income countries have taken decisive action by removing fully or partially user fees in the health sector. In this study, we review recent reforms in six sub-Saharan African countries: Burkina Faso, Burundi, Ghana, Liberia, Senegal and Uganda. The review d …