Risk of dengue for tourists in Brazil during FIFA World Cup 2014 and Olympic Games...
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| Full text | |
| Author(s): |
Ximenes, Raphael
[1, 2]
;
Amaku, Marcos
[1, 2]
;
Lopez, Luis Fernandez
[1, 3, 2]
;
Bezerra Coutinho, Francisco Antonio
[1, 2]
;
Burattini, Marcelo Nascimento
[4, 1, 2]
;
Greenhalgh, David
[1, 2, 5]
;
Wilder-Smith, Annelies
[6]
;
Struchiner, Claudio Jose
[7]
;
Massad, Eduardo
[8, 1, 2]
Total Authors: 9
|
| Affiliation: | [1] Univ Sao Paulo, Sch Med, Sao Paulo, SP - Brazil
[2] HCFMUSP LIM01, Sao Paulo, SP - Brazil
[3] Florida Int Univ, Ctr Internet Augmented Res & Assessment, Miami, FL 33199 - USA
[4] Univ Fed Sao Paulo, Escola Paulista Med, Sao Paulo, SP - Brazil
[5] Univ Strathclyde, Glasgow, Lanark - Scotland
[6] Nanyang Univ, Lee Kong Chian Sch Med, Singapore - Singapore
[7] Fundacao Oswaldo Cruz, Programme Sci Computat, Rio De Janeiro - Brazil
[8] London Sch Hyg & Trop Med, London WC1 - England
Total Affiliations: 8
|
| Document type: | Journal article |
| Source: | BMC INFECTIOUS DISEASES; v. 16, APR 29 2016. |
| Web of Science Citations: | 19 |
| Abstract | |
Background: Rio de Janeiro in Brazil will host the Summer Olympic Games in 2016. About 400,000 non-immune foreign tourists are expected to attend the games. As Brazil is the country with the highest number of dengue cases worldwide, concern about the risk of dengue for travelers is justified. Methods: A mathematical model to calculate the risk of developing dengue for foreign tourists attending the Olympic Games in Rio de Janeiro in 2016 is proposed. A system of differential equation models the spread of dengue amongst the resident population and a stochastic approximation is used to assess the risk to tourists. Historical reported dengue time series in Rio de Janeiro for the years 2000-2015 is used to find out the time dependent force of infection, which is then used to estimate the potential risks to a large tourist cohort. The worst outbreak of dengue occurred in 2012 and this and the other years in the history of Dengue in Rio are used to discuss potential risks to tourists amongst visitors to the forthcoming Rio Olympics. Results: The individual risk to be infected by dengue is very much dependent on the ratio asymptomatic/symptomatic considered but independently of this the worst month of August in the period studied in terms of dengue transmission, occurred in 2007. Conclusions: If dengue returns in 2016 with the pattern observed in the worst month of August in history (2007), the expected number of symptomatic and asymptomatic dengue cases among tourists will be 23 and 206 cases, respectively. This worst case scenario would have an incidence of 5.75 (symptomatic) and 51.5 (asymptomatic) per 100,000 individuals. (AU) | |
| FAPESP's process: | 12/18463-4 - Risk of dengue for tourists in Brazil during FIFA World Cup 2014 and Olympic Games - Rio 2016, using mathematical modeling |
| Grantee: | Raphael Ximenes |
| Support Opportunities: | Scholarships in Brazil - Doctorate (Direct) |