A British doctor who contracted Ebola while deployed to the Democratic Republic of the Congo has been evacuated to the UK and is now in the high-level isolation unit at the Royal Free Hospital in Hampstead, north London. The Department of Health and Social Care confirmed the transfer on Thursday. The patient's identity has not been disclosed. The doctor was sent to the DRC by a humanitarian organisation to assist in the response to an outbreak that has become the second largest in recorded history. Declared by the DRC's health ministry in May, the outbreak has now surpassed 10,000 confirmed cases and 5,000 deaths. It has spread beyond the DRC's borders into Kenya and Uganda, and last month Nigeria confirmed a case in its capital, Abuja. This is the first British national known to have contracted Ebola in the current outbreak. The UK Health Security Agency moved quickly to reassure the public. Dr Renu Bindra, deputy director for all-hazards public health response at UKHSA, stated that "well-established and robust infection prevention and control protocols" are in place, and that "the risk to the wider public remains low." The Royal Free's isolation unit operates under strict protocols preventing any contact between the patient and the public, with all treating staff equipped with full personal protective equipment. Ebola is spread through direct contact with body fluids — blood, vomit, or contact with dead bodies. Incubation runs two to 21 days after exposure, with symptoms progressing from fever, aches, and fatigue to diarrhoea, vomiting, and unexplained bleeding. The disease is frequently fatal. Historical UK exposure to the virus has been vanishingly rare. There have been only four prior confirmed cases on British soil: a 1976 laboratory needle incident and three health workers responding to the 2014-2015 West Africa outbreak. Each case triggered the same isolation protocols now being deployed at the Royal Free. The structural story here is not a single medevac flight — it is a DRC outbreak that has jumped four national borders and is now generating imported cases in countries with advanced healthcare systems. The UK's institutional response looks adequate for one patient. The question is whether the international containment architecture is adequate for an outbreak at this scale, in a region where health infrastructure is under severe strain and cross-border movement is difficult to monitor. For the UK, this is a test of resilience infrastructure built after the West Africa crisis. For the global health system, the question is whether 10,000 cases and four affected countries represent a trajectory that existing response capacity can bend downward, or whether the outbreak is outrunning the institutions tasked with containing it.