Chembio’s stock opened down 60% the day after the FDA’s decision to revoke its EUA for the first US rapid test for antibodies to SARS-CoV-2.

The US agency’s decision to allow developers to distribute tests that detect COVID-19 in human blood without going through a clearance process has led to some misleading marketing, the agency warned in two recent statements.

Biocodex's Diacomit – long approved in the EU – just won FDA approval. That brings the number of drugs cleared for Dravet in the US to two, including GW Pharma's recently endorsed Epidiolex, and the R&D pipeline for this rare seizure disorder is growing.

Derived from Strategic Transactions, Informa’s premium source for tracking life sciences deal activity, the Dealmaking column is a survey of recent health care transactions listed by relevant industry segment – In Vitro Diagnostics, Medical Devices, and Pharmaceuticals – and then categorized by type – Acquisition, Alliance, or Financing. This month’s column covers deals announced in December 2017.