Many people will have experienced being unwell with an unknown infection and having to undergo multiple tests to determine the culprit. This sequential process of elimination can be time-consuming and ...

New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

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 ...

The COVID-19 pandemic led to many changes. Among them is universal familiarity with a molecular diagnostic technique that was largely unknown outside clinical use. The polymerase chain reaction — or ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

If you had COVID-19 symptoms in 2020, you probably would have masked up and braved a visit to a laboratory, doctor’s office, or clinic to get a polymerase chain reaction (PCR) test. A health care ...

While they've been the gold standard to identify positive coronavirus cases around the world for more than a year, PCR tests still aren't trusted by some social media users. An Oct. 4 Instagram post ...

COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types of tests confusing. Molecular tests for COVID-19, like the "RT-PCR" ...

Antigen tests can identify the presence of antigens within the body, which are substances that cause immune responses, such as the release of antibodies. The immune system, and antibodies specifically ...

FRANKLIN, Mass.--(BUSINESS WIRE)--Thermo Fisher Scientific Inc., today announced the launch of a new rapid environmental test to help in the fight against COVID-19. The Thermo Scientific Renvo Rapid ...

US researchers have developed an innovative smartphone-based kit that can test saliva samples for the presence of SARS-CoV-2 and influenza viruses. Early studies have found the cheap system is as ...