about 30% of patients we believe have Covid are testing negative

False Negatives Raise Doctors' Doubts About Coronavirus Tests
A surprising number of patients have obvious symptoms but still test negative, say doctors

By Kristen V Brown
2020年4月12日 3:


何をいまさら「False Negatives Raise Doctors' Doubts Abo
2020-04-13 21:40:05