CRP and infection: It has been reported that 33% children with 2019-nCoV infection will have LY reduction, 40% will have CRP increase,21 and 78% will have PA decrease.22 However, it has also been reported that only 3% children present reduced LY and 13.6% have elevated CRP.23 Our results showed that only 4.3% of the children presented reduced LY count, 9.3% had increased CRP, and 25% had decreased PA.