Sodas, Lemon Juice Cause False Positives in Rapid COVID-19 Tests
Sodas, Lemon Juice Cause False Positives in Rapid COVID-19 Tests
Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.
Sodas, Lemon Juice Cause False Positives in Rapid COVID-19 Tests
Sodas, Lemon Juice Cause False Positives in Rapid COVID-19 Tests

Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.

Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as a positive result.

saliva testing
Simple Spit Test Could Diagnose Concussions
Simple Spit Test Could Diagnose Concussions
Asher Jones | Mar 24, 2021
A noninvasive saliva test accurately identified concussions in a study of hundreds of rugby players.
Andrew Brooks, Designer of COVID-19 Saliva Test, Dies at 51
Andrew Brooks, Designer of COVID-19 Saliva Test, Dies at 51
Amanda Heidt | Feb 2, 2021
The Rutgers University researcher created the first FDA-authorized spit test, which has since been used by millions of people.
COVID-19 Diagnostics: How Do Saliva Tests Compare to Swabs?
COVID-19 Diagnostics: How Do Saliva Tests Compare to Swabs?
Amanda Heidt | Oct 9, 2020
From hospitals and college campuses to remote villages in French Guiana, scientists have pit the two approaches against one other. See which one comes out ahead.
U of Illinois Returns to School with 20,000 Saliva Tests Per Day
U of Illinois Returns to School with 20,000 Saliva Tests Per Day
Emma Yasinski | Aug 28, 2020
The school requires each student, faculty, and staff member to be tested twice per week and sends the results straight to their cell phones.
FDA Approves New Saliva-Based COVID-19 Test
FDA Approves New Saliva-Based COVID-19 Test
Amanda Heidt | Aug 17, 2020
SalivaDirect, an open-source protocol, avoids many of the supply bottlenecks of other tools and could be offered for as little as $10 a test.
Saliva Tests: How They Work and What They Bring to COVID-19
Saliva Tests: How They Work and What They Bring to COVID-19
Amanda Heidt | Jul 9, 2020
Universities and healthcare facilities are planning to use spit tests to conduct large-scale screening.
First Saliva Test for COVID-19 Approved for Emergency Use by FDA
First Saliva Test for COVID-19 Approved for Emergency Use by FDA
Lisa Winter | Apr 14, 2020
The search for SARS-CoV-2 RNA in 60 saliva samples yielded the same results as conventional nasal swab tests taken from the same patients.