Tsallake zuwa babban abun ciki

Wannan jadawali yana nuna adadin samfuran da aka tattara daga mazaunan gundumar St. Louis don gwajin COVID-19 PCR waɗanda ke da kyau a cikin taga kwana bakwai. Misali, idan ƙimar takamaiman kwanan wata shine kashi 5, wannan yana nufin kashi 5 na samfuran da aka tattara a wannan ranar kuma kwanaki shida da suka gabata sun gwada inganci.