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Telefónica reportedly affected [twitter.com]. NHS failed to patch computers [twitter.com] which affected US hospitals in 2016. 16 divisions of the UK's NHS taken offline [twitter.com] with aid of NSA Fuzzbunch exploit [twitter.com]. The fun of a public blockchain is that ransom payments of £415,000 have been confirmed [rt.com]. Cancellation of heart surgery confirmed [bbc.com]. Doctors unable to check allergies or prescribe medication. Patient access to emergency treatment denied [twitter.com] in part due to hospital telephone exchange being offline [archive.org].
It also appears that one of the affected parties refused to answer a Freedom of Information request in Nov 2016 about cyber-security due to impact on crime detection [whatdotheyknow.com]. Similar parties provided responses to the same request [whatdotheyknow.com].