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Vulnerability of Brazilian municipalities to hantavirus infections based on multi-criteria decision analysis.

de Oliveira SV, Fonseca LX, de Araújo Vilges KM, Maniglia FV, Pereira SV, de Caldas EP, Tauil PL, Gurgel-Gonçalves R - Emerg Themes Epidemiol (2015)

Bottom Line: Based on MCDA analysis, municipalities in the southern, southeastern, and midwestern regions of Brazil can be classified as highly vulnerable.Most municipalities in northern and northeastern Brazil were classified as having low vulnerability to hantavirus cardiopulmonary syndrome.This result reflects the need to strengthen surveillance where the disease has thus far gone unreported.

View Article: PubMed Central - PubMed

Affiliation: Programa de Medicina Tropical, Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil ; Coordenação Geral de Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde, Brasília, Brazil.

ABSTRACT

Background: Hantavirus infection is an emerging zoonosis transmitted by wild rodents. In Brazil, high case-fatality rates among humans infected with hantavirus are of serious concern to public health authorities. Appropriate preventive measures partly depend on reliable knowledge about the geographical distribution of this disease.

Methods: Incidence of hantavirus infections in Brazil (1993-2013) was analyzed. Epidemiological, socioeconomic, and demographic indicators were also used to classify cities' vulnerability to disease by means of multi-criteria decision analysis (MCDA).

Results: From 1993 to 2013, 1752 cases of hantavirus were registered in 16 Brazilian states. The highest incidence of hantavirus was observed in the states of Mato Grosso (0.57/100,000) and Santa Catarina (0.13/100,000). Based on MCDA analysis, municipalities in the southern, southeastern, and midwestern regions of Brazil can be classified as highly vulnerable. Most municipalities in northern and northeastern Brazil were classified as having low vulnerability to hantavirus cardiopulmonary syndrome.

Conclusions: Although most human infections by hantavirus registered in Brazil occurred in the southern region of the country, a greater vulnerability to hantavirus was found in the Brazilian Midwest. This result reflects the need to strengthen surveillance where the disease has thus far gone unreported.

No MeSH data available.


Related in: MedlinePlus

Main risk factors for hantavirus infections in Brazil. a, b Expansion of agricultural activities (corn and vegetables respectively); c, d domestic activities associated with exposure to rodents (livestock and grain storage, respectively); e, f houses near forest remnants where wild rodents occur
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Fig1: Main risk factors for hantavirus infections in Brazil. a, b Expansion of agricultural activities (corn and vegetables respectively); c, d domestic activities associated with exposure to rodents (livestock and grain storage, respectively); e, f houses near forest remnants where wild rodents occur

Mentions: Hantavirus is currently registered all over Brazil. The high case-fatality rate of HCPS (~40 %) is of great concern to Brazilian public health authorities. Most patients require intensive health care [4], and case-fatality rates vary among Brazil’s five geographic regions [4–6]. The differences may be associated with circulating hantavirus strains in Brazil [7]. The risk factors for hantavirus infections include involvement in agricultural, domestic, and leisure activities (Fig. 1), which are associated with human exposure to rodents or their excreta [8].Fig. 1


Vulnerability of Brazilian municipalities to hantavirus infections based on multi-criteria decision analysis.

de Oliveira SV, Fonseca LX, de Araújo Vilges KM, Maniglia FV, Pereira SV, de Caldas EP, Tauil PL, Gurgel-Gonçalves R - Emerg Themes Epidemiol (2015)

Main risk factors for hantavirus infections in Brazil. a, b Expansion of agricultural activities (corn and vegetables respectively); c, d domestic activities associated with exposure to rodents (livestock and grain storage, respectively); e, f houses near forest remnants where wild rodents occur
© Copyright Policy - OpenAccess
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC4590690&req=5

Fig1: Main risk factors for hantavirus infections in Brazil. a, b Expansion of agricultural activities (corn and vegetables respectively); c, d domestic activities associated with exposure to rodents (livestock and grain storage, respectively); e, f houses near forest remnants where wild rodents occur
Mentions: Hantavirus is currently registered all over Brazil. The high case-fatality rate of HCPS (~40 %) is of great concern to Brazilian public health authorities. Most patients require intensive health care [4], and case-fatality rates vary among Brazil’s five geographic regions [4–6]. The differences may be associated with circulating hantavirus strains in Brazil [7]. The risk factors for hantavirus infections include involvement in agricultural, domestic, and leisure activities (Fig. 1), which are associated with human exposure to rodents or their excreta [8].Fig. 1

Bottom Line: Based on MCDA analysis, municipalities in the southern, southeastern, and midwestern regions of Brazil can be classified as highly vulnerable.Most municipalities in northern and northeastern Brazil were classified as having low vulnerability to hantavirus cardiopulmonary syndrome.This result reflects the need to strengthen surveillance where the disease has thus far gone unreported.

View Article: PubMed Central - PubMed

Affiliation: Programa de Medicina Tropical, Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil ; Coordenação Geral de Doenças Transmissíveis, Secretaria de Vigilância em Saúde, Ministério da Saúde, Brasília, Brazil.

ABSTRACT

Background: Hantavirus infection is an emerging zoonosis transmitted by wild rodents. In Brazil, high case-fatality rates among humans infected with hantavirus are of serious concern to public health authorities. Appropriate preventive measures partly depend on reliable knowledge about the geographical distribution of this disease.

Methods: Incidence of hantavirus infections in Brazil (1993-2013) was analyzed. Epidemiological, socioeconomic, and demographic indicators were also used to classify cities' vulnerability to disease by means of multi-criteria decision analysis (MCDA).

Results: From 1993 to 2013, 1752 cases of hantavirus were registered in 16 Brazilian states. The highest incidence of hantavirus was observed in the states of Mato Grosso (0.57/100,000) and Santa Catarina (0.13/100,000). Based on MCDA analysis, municipalities in the southern, southeastern, and midwestern regions of Brazil can be classified as highly vulnerable. Most municipalities in northern and northeastern Brazil were classified as having low vulnerability to hantavirus cardiopulmonary syndrome.

Conclusions: Although most human infections by hantavirus registered in Brazil occurred in the southern region of the country, a greater vulnerability to hantavirus was found in the Brazilian Midwest. This result reflects the need to strengthen surveillance where the disease has thus far gone unreported.

No MeSH data available.


Related in: MedlinePlus