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Objective In Florida, pre-approval of prophylactic treatment by insurance companies is tied to seasonality. Previous analyses determined that Florida’s syndromic surveillance system (Electronic Surveillance System for the Early Notification of Community-based Epidemics [ESSENCE-FL]) was capable of monitoring Florida’s statewide RSV seasonality. This analysis aims to determine if ESSENCE-FL can ...

Editorials 311 In all countries with temperate climates, a clear seasonal peak in influenza activity occurs during the winter months. 1 In countries with tropical or subtropical climates, however , influenza seasonality is more variable and influenza activity can be observed year-round – although it often is more intense during the rainy seasons. 2 Effective surveillance is essential for unders...

Unlike most domestic livestock species, sheep are widely known as an animal with marked seasonality of breeding activity. The annual cycle of daily photoperiod has been identified as the determinant factor of this phenomenon, while environmental temperature, nutritional status, social interactions, lambing date and lactation period are considered to modulate it. The aim of this paper is to revi...

Geographical differences in the seasonal variation in mean birth weight (MBW) were examined by a traditional time series analysis based on the birth data of 47 different prefectures in Japan for the period from January 1974 to December 1983. The general pattern on the seasonality in MBW has two peaks in spring and autumn, and two troughs in summer and winter. There is a general trend in the sea...