本帖最后由 zhousht 于 2021-8-6 17:26 编辑 3 M& }% j: z) ]( F 1 Y+ X G; u4 |9 f& i6 d) m3 ?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. ], O& X) h% W* U6 _" ~ https://www.theguardian.com/soci ... -system-experts-say' v9 H& F4 s- x% b
Lockdown最受害的是儿童。