CovidV1, an2020, Analysis, bibRecord, 000197

Risk Assessment of Novel Coronavirus COVID-19 Outbreaks Outside China.

Identifieur interne : 000197 ( an2020/Analysis ); précédent : 000196; suivant : 000198

Risk Assessment of Novel Coronavirus COVID-19 Outbreaks Outside China.

Auteurs : Péter Boldog [Hongrie] ; Tamás Tekeli [Hongrie] ; Zsolt Vizi [Hongrie] ; Attila Dénes [Hongrie] ; Ferenc A. Bartha [Hongrie] ; Gergely Röst [Hongrie]

Source :

Journal of clinical medicine [ 2077-0383 ] ; 2020.

RBID : pubmed:32093043

Abstract

We developed a computational tool to assess the risks of novel coronavirus outbreaks outside of China. We estimate the dependence of the risk of a major outbreak in a country from imported cases on key parameters such as: (i) the evolution of the cumulative number of cases in mainland China outside the closed areas; (ii) the connectivity of the destination country with China, including baseline travel frequencies, the effect of travel restrictions, and the efficacy of entry screening at destination; and (iii) the efficacy of control measures in the destination country (expressed by the local reproduction number R loc ). We found that in countries with low connectivity to China but with relatively high R loc , the most beneficial control measure to reduce the risk of outbreaks is a further reduction in their importation number either by entry screening or travel restrictions. Countries with high connectivity but low R loc benefit the most from policies that further reduce R loc . Countries in the middle should consider a combination of such policies. Risk assessments were illustrated for selected groups of countries from America, Asia, and Europe. We investigated how their risks depend on those parameters, and how the risk is increasing in time as the number of cases in China is growing.

DOI: 10.3390/jcm9020571
PubMed: 32093043

Affiliations:

Hongrie

Links to Exploration step

pubmed:32093043

Le document en format XML

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<front><div type="abstract" xml:lang="en">We developed a computational tool to assess the risks of novel coronavirus outbreaks outside of China. We estimate the dependence of the risk of a major outbreak in a country from imported cases on key parameters such as: (i) the evolution of the cumulative number of cases in mainland China outside the closed areas; (ii) the connectivity of the destination country with China, including baseline travel frequencies, the effect of travel restrictions, and the efficacy of entry screening at destination; and (iii) the efficacy of control measures in the destination country (expressed by the local reproduction number R loc ). We found that in countries with low connectivity to China but with relatively high R loc , the most beneficial control measure to reduce the risk of outbreaks is a further reduction in their importation number either by entry screening or travel restrictions. Countries with high connectivity but low R loc benefit the most from policies that further reduce R loc . Countries in the middle should consider a combination of such policies. Risk assessments were illustrated for selected groups of countries from America, Asia, and Europe. We investigated how their risks depend on those parameters, and how the risk is increasing in time as the number of cases in China is growing.</div>
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Risk Assessment of Novel Coronavirus COVID-19 Outbreaks Outside China.

Risk Assessment of Novel Coronavirus COVID-19 Outbreaks Outside China.

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Abstract

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