Top pick of the day: Sunday

What a Negative COVID-19 Test Really Means

Science article by Sarah Zhang published online at The Atlantic, June 21, 2020.

We know that the current tests for the SARS-CoV-2 virus are not perfect. The sensitivity of the test is concerningly low, resulting in a significant number of false negative results (when the test says the person is not infected when they actually are). We also know that up to 40% of cases are transmitted by persons who are asymptomatic or presymptomatic. This article covers the overlap, addressing what it means that false negatives may be even more common in people without symptoms and what this means in practical terms.


Today’s bite-sized, handpicked selection of important news, information or science for all who want to know where this epidemic is going and what we should do.

Print Friendly, PDF & Email

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.