The rate of coinfection is 23, 2%, most of them are co-infection with bacteria - virus (10, 5%), coinfection with bacteria - bacteria accounts for 9, 5%.
Tỷ lệ đồng nhiễm là 23,2%, đa phần là đồng nhiễm vi khuẩn – virus (10,5%), đồng nhiễm vi khuẩn – vi khuẩn 9,5%.