Vaccine developer Novavax Inc. said on Sept. 8 the company initiated an early-stage study to test a combination of the flu shot NanoFlu and the Covid-19 vaccine NVX-CoV2373.

Genetic testing specialist Qiagen received emergency use authorization for a new coronavirus test from the U.S. drugs regulator.

Thermo Fisher Scientific is acquiring Mesa Biotech for about $450 million in cash, and will pay an additional $100 million in cash after certain milestones are hit.

According to the Pharmaceutical Research and Manufacturers of America (PhRMA), there are 264 vaccines in development to prevent and treat diseases.