NHS appeals for O blood-type donors after cyber attack

A severe cyber attack on the UK’s NHS Blood and Transfusion Service has caused major London hospitals to declare “a major incident”, with the NHS calling for blood donations, specifically from O blood-type donors. The attack has led to cancellations of surgeries and losses of blood transfusions across London, with the ransomware attacked affecting major London hospitals. The NHS has launched a plea for O blood-type donors to book donations.