Association between absolute latitude, peak timing, and duration of influenza and respiratory syncytial virus (RSV) epidemics, by geographic zone.

Statistically significant P-values appear in bold.SH: Southern Hemisphere; NH: Northern Hemisphere.Duration estimates based on a 5% threshold; see methods for details.This table provides information on the number of distinct studies included in the review, while information on the number of distinct locations is provided in the text.*Statistics based on linear regression of duration or peak month against latitude.