Editor's Note: Article updated with latest information on availability of tests. People faced problems getting hold of the tests last week after a huge surge in demand prompted the Government website ...

Scientists and public health experts built the COVID-19 pandemic response on years of experience navigating infectious disease outbreaks. Although lateral flow immunoassays have been central to ...

In the early days of the pandemic, public health officials scrambled to get a read on the new viral outbreak. The CDC covered all its bases, recommending specimens be sent to them in three ways for ...

Can you test positive for covid-19 without being infectious? Even if you have had three doses of coronavirus vaccine, a positive lateral flow test (LFT) result means you are infectious to other people ...

Record numbers of people in England and Wales are testing positive for covid-19. Here’s what you need to know about how lateral flow tests work, why symptoms may linger even if a person is no longer ...