Fig. 2
From: Descriptive epidemiology of measles surveillance data, Osun state, Nigeria, 2016–2018
Frequency distribution of observed and 3-months moving average of cases of measles in Osun State. This shows the frequency distribution of the observed cases of measles and the 3 months moving average of the reported cases over the period under review. The thick line represents the cases while the dark broken ken line represent the 3 months moving average. The red broken line is the linear trend line