By Nick Evershed and Andy Ball, on 27-08-2021, Một trong những đặc tính quan trọng của virus và những mầm bệnh khác là tỉ lệ lây nhiễm....

Translated from NPR news's article 6 Things To Know If You're Immunocompromised And Considering A 3rd Shot By Carmel Wroth, Allison...

Translated from AP News's article US hits encouraging milestones on virus deaths and shots By MICHAEL KUNZELMAN, on 21-06-2021 Lần đầu...

Translated from PBS A look at Biden’s first executive orders in office Ricardo Alonso-Zaldivar, Ellen Knickmeyer, Ben Fox, Elliot Spagat,...