本帖最后由 zhousht 于 2021-8-6 17:26 编辑 - t+ I9 w" `! l# b9 O2 t0 S9 X/ a/ F) _( y/ J
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. ' @. k4 N6 _. S- A/ Chttps://www.theguardian.com/soci ... -system-experts-say$ w% l, R$ L& B
Lockdown最受害的是儿童。