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Figure 6.

Five maps indicating recent climate (1981 2010), short-term projected climate (2011 2040) for RCP4.5 and RCP8.5, and long-term projected climate (2041 2070) for RCP4.5 and RCP8.5. The number of months of climatic suitability for Chikungunya transmission are 0, 1 (August), and 2 (July and August).

Duration in months for potential autochthonous CHIKV transmission in Canada combining the climatic suitability for CHIKV transmission potential (R0) with the climatic suitability for the presence of Ae. albopictus (SIG index). Provincial and territorial boundaries of Canada, 2001. Source: © 2003. Government of Canada with permission from Natural Resources Canada.

Images in this article

  • Line graph indicating basic reproductive number (y-axis) across temperatures (x-axis) ranging from 10.0 C to 40.0 C (x-axis). The risk categories plotted are unsuitable, rather unsuitable, partly suitable, rather suitable, and suitable.
  • Table indicates CHIKV transmission potential, the corresponding temperature intervals, and the climatic suitability for the presence of Aedes albopictus (SIG index). The grid plots their relationships as CHIKV suitability risk categories, namely, unsuitable, rather unsuitable, partly suitable, rather suitable, and suitable.
  • Five maps indicating recent climate (1981 2010), short-term projected climate (2011 2040) for RCP4.5 and RCP8.5, and long-term projected climate (2041 2070) for RCP4.5 and RCP8.5. Chikangunya virus transmission potential (R subscript 0) ranges are less than or equal to 0.5; greater than 0.5 to less than or equal to 0.7; greater than 0.7 to less than or equal to 0.9; greater than 0.9 to less than or equal to 1.0; and greater than 1.0.
  • Five maps indicating recent climate (1981 2010), short-term projected climate (2011 2040) for RCP4.5 and RCP8.5, and long-term projected climate (2041 2070) for RCP4.5 and RCP8.5. The number of months where R subscript 0 is greater than 1.0 are 0, 1 (July), 2 (July and August), and 3 (June, July, and August).
  • Five maps indicating recent climate (1981 2010), short-term projected climate (2011 2040) for RCP4.5 and RCP8.5, and long-term projected climate (2041 2070) for RCP4.5 and RCP8.5. The risk categories for climatic suitability for Chikungunya transmission are unsuitable, rather unsuitable, partly suitable, rather suitable, and suitable.
  • Five maps indicating recent climate (1981 2010), short-term projected climate (2011 2040) for RCP4.5 and RCP8.5, and long-term projected climate (2041 2070) for RCP4.5 and RCP8.5. The number of months of climatic suitability for Chikungunya transmission are 0, 1 (August), and 2 (July and August).
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