本帖最后由 zhousht 于 2021-8-6 17:26 编辑 : E5 B: S) E6 Z" L( \: s4 e1 F7 x' J+ ]1 Z3 U
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. ( X; K. m' v: M' [ F+ y( q) khttps://www.theguardian.com/soci ... -system-experts-say* L! B; x) N- @
Lockdown最受害的是儿童。