Categories
Are the tests really accurate?

How accurate are COVID-19 tests?

The following research conducted by Andrew Cohen and Bruce Kessel is a meta-analysis of the quality of assessments returned by RT-PCR tests. Their results show us RT-PCR tests have higher false positive rates than false negative rates. This means that there is a higher chance for individuals to receive a positive result even when they […]

Categories
Are the tests really accurate?

How does inaccurate COVID-19 test results impact us?

The following article written by Christian Yates for The Conversation offers to us a guide for understanding the accuracy of test results. The explain what false positives and false negatives are, and how small changes in the rates can affect entire populations.  Yates also tells us that in an area where disease prevalence is low, false positives […]

Categories
Lessons learned Are the tests really accurate? How extensive is the pandemic? The significance of host resistance

USC-LA County antibody suggests true COVID-19 infections higher than official count

The preliminary results of the University of Southern California and Los Angeles County Department of Public Health suggests that around 2.8% to 5.6% of adults in the county population (that’s roughly 221,000 to 442,000 adults) have already been infected by the coronavirus. This is the second antibody study to come out with the same conclusion […]

Categories
Are the tests really accurate? How extensive is the pandemic? The significance of host resistance

What can an antibody study teach us about COVID-19?

The following article is an interview between Neeraj Sood  [Sood is lead investigator of the study discussed in the article USC-LA County Antibody Suggests True COVID-19 Infections Higher Than Official Count ] and Leigh Hopper. In it, Sood explains to us why it is important to conduct antibody studies vis-a-vis PCR tests. He also discusses about the selection […]