Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

Last week, both of my kids needed a negative result from a COVID PCR test for overnight experiences — a camp for one and a team-building weekend for the other. As school, sports and other activities ...

There are three different ways to test for COVID-19: PCR tests, antigen tests and antibody tests. Each method is best for a different stage of COVID-19 infection. Used in sequence, all three methods ...

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 ...

India's Tata Group launched a COVID-19 test kit on Monday that it says will process results more easily and faster than the RT-PCR method considered the gold standard for detection, at a time when ...

Amid a rise in COVID cases and the start of fall allergies, flu and RSV season, experts say testing is an important tool heading into the cooler month. With more people testing positive for COVID once ...

This decision, well within current norms for care, was nonetheless consequential: The president was forced to cancel a trip to advocate for legislation in support of the domestic semiconductor ...

Researchers say people using a common allergy nasal spray, azelastine, were 69% less likely to contract COVID-19.

At face value, Vermont appears to be doing well with Covid-19. The state Department of Health reported that Vermont had “low” Covid levels for the fourth straight week in a row, as the state emerges ...

Visitors to care homes in parts of England will be able to get tested for COVID-19 under a new pilot scheme aimed at reducing onerous restrictions in time for Christmas, the health ministry said on ...