What Really Causes a False Positive COVID-19 Test? Experts Explain

In the most basic sense, there are four possible outcomes for a COVID-19 test, whether it’s molecular PCR or rapid antigen: true positive, true negative, false positive, and false negative. Read More

National and World news stories | Newsday

Read the latest national and world news, including stories from Newsday's reporters in Washington, D.C. Young brother and sister dead, several hurt when vehicle crashes into Michigan birthday ... Read More

Former biotech CEO gets 7 years in prison for false claims about rapid covid-19 test

In March and April 2020, Berman issued 12 “false and misleading” news ... making a rapid Covid-19 blood test. “When the Covid-19 pandemic hit, he believed he could offer the world a test ... Read More

World News

By Lara Jakes Horses Run Loose Through Central London in Surreal Spectacle Having a team in the world’s richest ... handling of Chinese swimmers’ positive tests at a meeting of sports ... Read More

Coronavirus: How to get help if you test positive for Covid-19 in Hong Kong

Hong Kong health authorities now accept two broad types of Covid-19 tests: the antigen tests or antibody tests. While the rapid antigen ... for those who test positive using a RAT. Read More

COVID Testing

They're often called a "self test" or "rapid test ... Although it's unlikely, your COVID-19 test results could also be wrong. This is called a false negative. If you're unsure whether you ... Read More

'I'm sure I have Covid-19, but my test is negative'

As people’s immunity builds, more people will likely not return a positive rapid test even if they get Covid-19 and feel unwell ... By Jason Gale/Bloomberg News/Tribune News Service ... Read More

InteliSwab® COVID-19 Rapid Test

The InteliSwab® COVID-19 Rapid Test from OraSure is a remarkably simple, and easy to use, at-home COVID-19 rapid antigen test. InteliSwab puts the power of rapid results right in your hands. Read More

What Causes a False Positive on a Pregnancy Test?

A false positive pregnancy test result is uncommon but can happen. Learn how things like medications and medical conditions can cause a false positive result. Medically reviewed by Alyssa Dweck ... Read More

Savannah Guthrie Leaves TODAY Show Broadcast After Positive Covid-19 Test

However, before the rest of TODAY yesterday, she tested positive for Covid-19 and thus had to leave TODAY ... so she took a Covid test.” Jones continued by saying, “It came back positive. Read More

Sensitivity and specificity of HIV tests

£10 helps us produce news and bulletins on the latest developments in HIV for healthcare staff around the world ... positive when HIV is actually present. Lower rates of sensitivity will produce more ... Read More