Hillevax Inc., a company developing a vaccine to prevent moderate to severe acute gastroenteritis caused by norovirus infection, has raised $135 million in crossover financing to support further clinical development of the candidate, HIL-214.

Replicate Bioscience Inc. secured a $40 million series A round to take a portfolio of preclinical projects employing self-replicating RNA into the clinic.

For the last few years, Hong Kong has been the preferred financial hub for many Chinese health care companies to go public and raise money from global investors. “Biotechnology is today the fastest-growing IPO market segment,” said Nicolas Aguzin, CEO of HKEX, during the Hong Kong Exchanges and Clearing Ltd. (HKEX) Biotech Summit 2021.

Centaur Diagnostics Inc. herded up interest in its gamified system for labeling medical data for use in artificial intelligence (AI) applications. The Boston-based company raised $12 million in a series A round that will help Centaur build out its crowdsourced system for labeling medical images, videos, text and audio recordings. The round brings the company’s funds raised to date to $15 million. Matrix Partners led the charge along with Accel Partners, Global Founders Capital, Susa Ventures, and Y Combinator.

LONDON – Breath biopsy specialist Owlstone Medical Ltd. closed a $58 million oversubscribed series D, bringing the total raised by the company since its formation in 2016 to over $150 million. The money will support further development of tests for lung cancer, liver disease and respiratory disease, and of a new class of diagnostics, which rather than measuring endogenous markers of disease, involve administering chemical probes and assessing how they are metabolized.