本帖最后由 zhousht 于 2021-8-6 17:26 编辑 : ^5 G( l4 }5 u: E2 j3 @9 V8 q1 q5 p. m
Scientists are concerned that measures to combat Covid-19 have weakened the immune systems of young children who have not been able to build up resistance to common bugs, leaving them vulnerable when mask-wearing and social distancing eventually end. " k8 i) }: A/ M3 r( p% ahttps://www.theguardian.com/soci ... -system-experts-say7 B, J A$ c1 c) Y. z' @
Lockdown最受害的是儿童。