本帖最后由 zhousht 于 2021-8-6 17:26 编辑 % V0 v0 J- c5 v" Z' F3 }/ ?5 l# |' _( S4 d0 M6 }7 O
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. * L7 @* J) q, khttps://www.theguardian.com/soci ... -system-experts-say2 M) [0 [3 P# Q
Lockdown最受害的是儿童。