@article{fdi:010078146,
  title = {{R}esurgence risk for malaria, and the characterization of a recent outbreak in an {A}mazonian border area between {F}rench {G}uiana and {B}razil},
  author = {{M}osnier, {E}. and {D}usfour, {I}. and {L}acour, {G}. and {S}aldanha, {R}. and {G}uidez, {A}. and {G}omes, {M}. {S}. and {S}anna, {A}. and {E}pelboin, {Y}. and {R}estrepo, {J}. and {D}avy, {D}. and {D}emar, {M}. and {D}jossou, {F}. and {D}ouine, {M}. and {A}rdillon, {V}. and {N}acher, {M}. and {M}usset, {L}. and {R}oux, {E}mmanuel},
  editor = {},
  language = {{ENG}},
  abstract = {{B}ackground {I}n 2017, inhabitants along the border between {F}rench {G}uiana and {B}razil were affected by a malaria outbreak primarily due to {P}lasmodium vivax ({P}v). {W}hile malaria cases have steadily declined between 2005 and 2016 in this {A}mazonian region, a resurgence was observed in 2017. {M}ethods {T}wo investigations were performed according to different spatial scales and information details: (1) a local study on the {F}rench {G}uiana border, which enabled a thorough investigation of malaria cases treated at a local village health center and the entomological circumstances in the most affected neighborhood, and (2) a regional and cross-border study, which enabled exploration of the regional spatiotemporal epidemic dynamic. {N}umber and location of malaria cases were estimated using {F}rench and {B}razilian surveillance systems. {R}esults {O}n the {F}rench {G}uianese side of the border in {S}aint-{G}eorges de l'{O}yapock, the attack rate was 5.5% (n = 4000), reaching 51.4% (n = 175) in one {I}ndigenous neighborhood. {E}ntomological findings suggest a peak of {A}nopheles darlingi density in {A}ugust and {S}eptember. {T}wo female {A}n. darlingi (n = 1104, 0.18%) were found to be {P}v-positive during this peak. {D}uring the same period, aggregated data from passive surveillance conducted by {B}razilian and {F}rench {G}uianese border health centers identified 1566 cases of {P}v infection. {T}emporal distribution during the 2007-2018 period displayed seasonal patterns with a peak in {N}ovember 2017. {F}our clusters were identified among epidemic profiles of cross-border area localities. {A}ll localities of the first two clusters were {B}razilian. {T}he localization of the first cluster suggests an onset of the outbreak in an {I}ndigenous reservation, subsequently expanding to {F}rench {I}ndigenous neighborhoods and non-{N}ative communities. {C}onclusions {T}he current findings demonstrate a potential increase in malaria cases in an area with otherwise declining numbers. {T}his is a transborder region where human mobility and remote populations challenge malaria control programs. {T}his investigation illustrates the importance of international border surveillance and collaboration for malaria control, particularly in {I}ndigenous villages and mobile populations.},
  keywords = {{P}lasmodium vivax ; {A}nopheles darlingi ; {F}rench {G}uiana ; {B}razil ; {T}ransnational ; {O}utbreak investigation ; {I}ndigenous south {A}mericans ; {M}alaria ; {A}mazonia ; {GUYANE} {FRANCAISE} ; {BRESIL} ; {AMAZONIE}},
  booktitle = {},
  journal = {{BMC} {I}nfectious {D}iseases},
  volume = {20},
  numero = {1},
  pages = {art. 373 [14 p.]},
  year = {2020},
  DOI = {10.1186/s12879-020-05086-4},
  URL = {https://www.documentation.ird.fr/hor/fdi:010078146},
}