 Ku munsi wejo ku wa kabiri, Perezida Trump yabwiye abanyamakuru mu biro bye White House ati: Navuga gusa ko mpereye kuko mbibona, ndetse nshingiye ku byo nasomye byinshi no ku bumenyi bwinshi kuri wo, ntekereza ko umuti wa hydroxychloroquine ushobora gutanga umusaruro mwiza cyane mu bihe bya mbere byuburwayi bwa Covid-19. 