Shares of early cancer detection company Exact Sciences Corp. soared Tuesday morning on news it is acquiring two liquid biopsy screening companies, Thrive Earlier Detection Corp. and Base Genomics Ltd., for $2.56 billion and selling $869 million of common stock to institutional investors.

PERTH, Australia – Neuroscience technology company Cogstate Ltd. and Japanese pharmaceutical company Eisai Co. Ltd. signed a deal under which Eisai will have global development rights and exclusive commercialization rights of all cognitive function tests developed by Cogstate, including the Cogstate Brief Battery (CBB) for use in health care and other markets.

LONDON – Three large scale population surveys conducted between late June and the end of September have shown the prevalence of SARS-CoV-2 antibodies in England declined by 26.5% over three months. The findings rest on the results of more than 350,000 self-administered lateral flow blood tests that were carried out at home by volunteers who were randomly selected from general practitioner registers.

Day Zero Diagnostics Inc. has reported that data presented at IDWeek highlighted the promise of the company’s new class of diagnostics as it works toward its goal of detecting superbug infections quickly. The company ultimately is hoping to get regulatory signoffs in both the U.S. and Europe for its technology.

A new tool for mobile devices can diagnose stroke as accurately as an emergency medicine specialist in just minutes, enabling patients to get brain-saving therapies in time for maximum benefit. According to researchers from Pennsylvania State University and Houston Methodist Hospital, the artificial intelligence (AI)-based tool could counterbalance physician biases, reducing both overuse of CT scans and underdiagnosis of mild and moderate stroke.

Aidoc Inc., a provider of artificial intelligence (AI) solutions in radiology, has won U.S. FDA clearance to market the first software solution for flagging and triaging incidental pulmonary embolism (PE). The AI technology, which includes triaging and notification algorithms, is an “always on” technology that analyzes chest CT scans in real time and alerts the radiologist to any potentially abnormal findings – possibly speeding up diagnosis by hours.

Bluestar Genomics Inc. identified DNA-based epigenomic changes that could be used as new biomarkers that can detect pancreatic cancer before the malignancy, one of the deadliest of all cancers, becomes untreatable. The study was published in Nature Communications.