The pack includes one Flowflex Influenza A/B Rapid Test and one Flowflex Covid Antigen Self-Test, ideal for those times when you’re unsure what’s causing your cough or fever.

Two kinds of antigen test kits are available, but most municipalities only accept those identified as being for medical use. Here's a guide on where and how to get them.

Dual COVID-flu test kits on sale Japan's health ministry has approved the retail sale of government-certified antigen self-testing kits that can detect both COVID-19 and influenza.

The combination tests look and work a lot like traditional at-home Covid tests: They’re easy to use and fast, often delivering results within 15 minutes. Most are only slightly more expensive ...

it's not recommended you use them after they've expired. Here's why: The COVID-19 test parts could degrade or break down over time, leading to inaccurate or invalid test results. See below to find out ...