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. 2015 Apr;110(2):259–262. doi: 10.1590/0074-02760150005

TABLE. Frequency of mean monthly temperatures at which chikungunya fever cases occurred worldwide in locations with Aedes aegypti as potential vector.

Temperature (ºC) Month with cases (n)
21-22 2
23-25 9
26-28 20
29-31 9
32-33 5

data includes successive months for some locations where cases persisted more than a month.