本帖最后由 zhousht 于 2021-8-6 17:26 编辑 + R7 _1 m4 H: z4 }" o2 E% U3 q " e3 _: L* B( h' R* {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. ; }6 `6 O. [2 P& {https://www.theguardian.com/soci ... -system-experts-say! L1 e- g, \9 |6 u
Lockdown最受害的是儿童。