本帖最后由 zhousht 于 2021-8-6 17:26 编辑 . o" a3 \2 z3 d% L: I- T% p 3 k$ b, f3 `. x; e: S S" m4 @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." K0 S: W4 v# A https://www.theguardian.com/soci ... -system-experts-say6 P2 w- R8 g6 G2 S: ]3 E# f* P' H8 H
Lockdown最受害的是儿童。