Liquidia previously raised more than $41m, including a $25m series C round in April from New York-listed clinical research organisation PPD and venture capital firms Canaan Partners, New Enterprise Associates, Morningside Venture Investments, Pappas Ventures and Firelake Capital.

US-based charitable organisation Bill & Melinda Gates Foundation has invested $10m in Liquidia Technologies to support the development and commercialization of its malaria vaccines and therapeutics.

Liquidia previously raised more than $41m, including a $25m series C round in April from New York-listed clinical research organisation PPD and venture capital firms Canaan Partners, New Enterprise Associates, Morningside Venture Investments, Pappas Ventures and Firelake Capital.

At the time of C round extension in April, Neal Fowler, chief executive of Liquidia,…