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 ...

Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

When pop-up COVID-19 testing sites opened all over Chicago and cities across the U.S. late last year, many had the same question on their minds: Where did they all come from, and who was authorizing ...

When COVID first hit, waiting days for laboratory results from an ultrasensitive polymerase chain reaction (PCR) test was commonplace. Faster tests usable by anyone, anywhere, later became widely ...

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 ...

The Russian Consul General in Havana stated that they had some problems with the reaction chemical in the laboratory in Havana HAVANA, July 5. /TASS/. The fact that the laboratory carrying out PCR ...

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.

For Rachel Robles, getting diagnosed with Long COVID was an uphill battle. She caught the virus in March 2020, when nearly nothing was known about its long-term effects and testing was inaccessible ...

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 ...