Shares drop, lawsuits grow and personnel move in today’s NewsFlash Roundup:

• Bhatia, Best, Kivel join Aura Biosciences advisory boards

Aura Biosciences, a Cambridge-based biotechnology company focused on new drug delivery methods, has added three Boston-area advisors to its leadership team.

• Biogen shares drop on 10th Tysabri PML case

Shares of Biogen Idec Inc. sank Monday after the biotechnology giant confirmed that another patient taking the multiple sclerosis drug Tysabri has been diagnosed with a potentially fatal brain infection called progressive multifocal leukoencephalopathy, or PML.

• New funding, CEO and HQ for CloudSwitch

Former SolidWorks Corp. CEO John McEleney will join the company along with the round of funding, which was led by new investors Commonwealth Capital Ventures, and increase the total amount invested in Cloudswitch to $15.4 million. (more…)