Alphabet subsidiary Google has bought RGA-backed customer service chatbot developer Onward to integrate the latter's AI tools with its own technology.

Holiday accommodation booking service Oasis Collections has been picked up by Vacasa after raising $35m in funding from investors including Hyatt and AccorHotels.

Alexion will pay $400m upfront for Baxalta-backed Syntimmune, with up to an additional $800m on offer if the autoimmune disease drug developer hits all its milestones.

Grubhub agreed to acquire student-focused food delivery app Tapingo, which had raised $36m from investors including Qualcomm Ventures.

Salesforce Ventures will exit cloud communications software provider NewVoiceMedia, which had raised more than $140m in venture funding.

Expense management platform Captio has been acquired by Certify for an undisclosed sum, providing exits to Bankinter and Banco Sabadell.

Zalando and Children’s Investment Fund Foundation have added $2.5m to Working Capital's supply chain-focused fund, which now stands at $25.2m.

Technion’s robotic surgery business Mazor Robotics has been snapped up by medical device developer Medtronic, which had already invested $72m in the company.

NGP Capital-backed food delivery service Deliveroo was valued at $2bn as of November but a successful bid would need to be a sizeable upgrade.

Nationwide Children’s Hospital spinout Celenex could fetch as much as $452m upon completion of milestones after progressing rare disease therapies conceived at the hospital’s collaborative program with Ohio State University.