Fig. 2

Seasonal and monthly distribution of respiratory syncytial virus (RSV) infection and associations with climate factors for a 4-year period from January 2010 to December 2014. Meteorological data was measured hourly and then average daily values were calculated. Monthly means were calculated using the daily means for temperature, relative humidity, and wind velocity. Total rain and sum of sunshine were calculated as a total measurement for the month. Spring: March to May; summer: June to August; autumn: September to November; winter: December to February