Dublin – IO Biotech ApS raised €127 million (US$154.7 million) in a series B round to fund a potentially pivotal trial of its combination of cancer vaccines in first-line metastatic melanoma. The Copenhagen, Denmark-based company is one of a number of firms fueling a mini-resurgence in immuno-oncology in the early weeks of the new year, as new data and new insights are prompting additional investments in an area that some had thought was already oversubscribed.