your blood, really important when people were being tested for covid. said to be a lot less efficient with darker skins. said to be a lot less efficient with darkerskins. one said to be a lot less efficient with darker skins. one man was asked about whether this potentially lead to people losing their lives. i think potentially yes. these oximeters are being used in every country oximeters are being used in every country. the reason is a lot of the medical country. the reason is a lot of the medical devices, even drugs, procedures, textbooks, most of them are put procedures, textbooks, most of them are put together in the majority white are put together in the majority white countries and i think there is a systemic white countries and i think there is a systemic issue around this. the health a systemic issue around this. tie: health secretary has ordered this review. not a huge amount of detail on who is going to ever sip at the idea is it will come back with some findings by t