The US Food and Drug Administration (FDA) has approved Amazon’s Covid-19 test kit, developed through its subsidiary STS Lab Holdco. The test kit will be used by Amazon to test its workforce under the Covid-19 preparedness and response programme, according to an FDA filing. The nasal-type test can also be used as an at-home test.

Researchers in Brazil have developed a new diagnostic tool for Covid-19 patients that uses artificial intelligence (AI) to detect Covid-19 in the via chest X-rays with a reported 95.6% to 98.5% accuracy. The diagnostic tool is planned to be tested with larger datasets, with the aim of developing an online platform for medical image classification. They published their results in IEEE/CAA Journal of Automatica Sinica, a joint publication of the Institute of Electrical and Electronics Engineers and the Chinese Association of Automation.

The UK government has made rapid Covid-19 testing available for all businesses with over ten employees in case they cannot afford on-site testing, as part of its workplace testing programme. More than 60,000 businesses have enrolled for at-home testing of workers under the programme, which employs lateral flow tests to diagnose the a case of Covid-19 within 30 minutes.