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.

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.

It’s not clear if their high viral load makes kids more likely to infect others.

Universities and healthcare facilities are planning to use spit tests to conduct large-scale screening.

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.

The World Health Organization warns that a lack of data on how many people have the disease could undermine containment and mitigation efforts in many countries.

An analysis of 49 patient samples finds high proportions of false positives and misinterpretation.

The suit claims that Rational Vaccines, the company of recently deceased researcher William Halford, violated US and international laws when it carried out the procedure.

The American Clinical Laboratory Association claims that scheduled reimbursements for tests are too low and could put small companies out of business.