Google is taking over DeepMind's NHS contracts – should we be worried?

This month, the NHS signed its first deals with Google. Five NHS trusts have agreed contracts with Google Health, after it swallowed up its UK sister firm DeepMind Health, nearly a year after signalling its intention to do so. New Scientist first revealed the extent of DeepMind's access to the sensitive data of more than a million National Health Service patients back in 2016, in a deal that the UK's data watchdog later found breached the law. The partnership has yielded interesting research, including using artificial intelligence to detect eye disease from scans with an accuracy that matches or exceeds human experts. But is there a material difference now the deals are with the US tech giant rather than DeepMind, and should people who use the NHS be concerned at the change?