3.2 Age-related and seasonal distributions
The highest prevalence of RVA was examined in children aged 6-11 months (13/35, 37.1%), followed by 12-23 months (9/35, 25.7%), 24-36 months (8/35, 22.9%), and 36-47 months (5/35, 14.3%). Seasonal distribution showed that RVA infection peaked in summer in Thailand from March to May with 58% and 63% in 2018-2019 and 2019-2020, respectively (Table S1, Supplementary materials).