Infection importation: a key challenge to malaria elimination on Bioko Island, Equatorial Guinea

Malaria Journal

Research

Andrea M Rehman¹  Immo Kleinschmidt¹  John Bradley¹  Daniel Vargas²  Guillermo Garcia²  Feliciano Monti²  Dianna Hergott²  Christopher Schwabe³  Matilde Riloha⁴ 

[1] MRC Tropical Epidemiology Group, London School of Hygiene and Tropical Medicine, London, UK;Medical Care Development International, Malabo, Equatorial Guinea;Medical Care Development International, Silver Spring, MD, USA;Ministry of Health and Social Welfare, Malabo, Equatorial Guinea;

关键词: Malaria;    Importation;    Travel;    Migration;    Elimination;   

DOI  :  10.1186/s12936-015-0579-5

 received in 2014-11-12, accepted in 2015-01-25,  发布年份 2015

来源: Springer

【 摘 要 】

BackgroundThe impact of importation of falciparum malaria from mainland Equatorial Guinea on malaria infection in non-travellers and travellers on Bioko Island was examined.MethodsMalaria indicator surveys were conducted in 2013 and 2014 to assess the association between malaria infection and travel to the mainland. Infection in non-travellers was compared in neighbourhoods of high travel and neighbourhoods of low travel. Boat passengers leaving from and arriving on the island were tested for infection.ResultsChildren who had travelled to the mainland in the previous eight weeks were at greater risk of infection than those who had not travelled (56 vs 26% in 2013; 42 vs 18% in 2014). Children who had not travelled, living in localities with the highest proportion of travellers, were significantly more likely to be infected compared to those in localities with the smallest proportion of travellers (adjusted odds ratios 7.7 (95% CI 2.3-25) and 5.3 (95% CI 2.5-11) in 2013 and 2014, respectively). Infection in arriving boat passengers was substantially higher than in those departing (70 vs 38%, p = 0.017).DiscussionMalaria importation by travellers poses a serious public health challenge affecting non-travellers as well as travellers.

【 授权许可】

CC BY   
© Bradley et al.; licensee BioMed Central. 2015