COVID testing is now available to everyone - irregardless of symptoms. Millions of people can order a twice-weekly rapid lateral flow test. What are the risks and benefits of doing so?

As Covid cases rise, at-home tests are a critical tool to keep yourself and others safe. Here are answers to a few common questions about when and how to use them.

Eventually, rapid antigen testing was performed in and beyond health service settings and beyond in conjunction with reverse-transcription-polymerase chain reaction (RT-PCR) analysis.

This article explores the use of colloidal gold for lateral flow testing, and explores the benefits of using gold colloid for point-of-care diagnostics.