Antigen and PCR tests diagnose COVID-19. Read about how these tests differ in their method of determining results, accuracy, timing, skill requirement, and costs.

A new biotechnology company in McKinney has ambitions to become the world’s first fully integrated platform for polymerase chain reaction (PCR) testing — the same technology behind a common COVID-19 ...

Continue reading for the most up-to-date information on travel to and from the United Kingdom, including quarantine procedures, London PCR testing, and revisions to the government’s guidelines ...

COVID-19 is commonly diagnosed by quantitative fluorescence real-time reverse transcriptase-polymerase chain reaction (qRT-PCR) (1, 2). The test is the sequential action of two enzymes–an RNA ...

CDC test can’t differentiate between COVID and the flu? That’s wrong. While the CDC is withdrawing its EUA request for the 2019-nCoV RT-PCR test, it is not because the test is faulty.

When it comes to COVID-19, the perfect test unfortunately does not exist, so we must rely on a combination of approaches ...

Large-scale study by Hokkaido University finds simple saliva test just as reliable as gold-standard, more complicated and expensive PCR nasal swab method.

With this platform, Co-Diagnostics plans to revolutionize the availability of accurate, fast and economical PCR tests as regular Covid-19 testing becomes part of the long-term protocol for many ...

The CDC in July announced its intent to withdraw an emergency use request for a protocol for PCR testing for COVID-19. The withdrawal would become effective Dec. 31, 2021. But that was because of ...

Antigen tests can continue to return a negative result until well into symptom onset, so a more sensitive test, such as a saliva-based PCR, could detect an infection earlier.

The procedure has been valuable for years in prenatal testing, early diagnosis of diseases such as leukemia and lymphomas, genetic research, and forensic applications, including DNA testing from crime ...