You can exhibit COVID-19 symptoms yet test negative due to early infection, low viral load, or immune response. PCR testing and repeated checks help ensure accurate detection and safety.

Polymerase chain reaction (PCR) tests are one of the most popular diagnostic tools for the detection and diagnosis of viral diseases, such as coronavirus (COVID-19), due to their ability to rapidly ...

Viral load in COVID-19 infection peaks later now than in the early days of the pandemic, driving implications for rapid testing, researchers say. A paper published in Clinical Infectious Diseases has ...

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 ...

The nanopore optofluidic chip used in the new diagnostic system, with a PCR thermocycler in the background for comparison. The new system could easily fit into a researcher’s lab or clinician’s office ...