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| Contaminated blood scandal: Where does the UK's blood supply come from? | |
| (about 7 hours later) | |
| The UK government has apologised to victims of a scandal that involved thousands being infected with HIV and hepatitis viruses from blood products imported from the US in the 1970s and 1980s. | |
| It has become known as the contaminated blood scandal. | It has become known as the contaminated blood scandal. |
| The patients in question, most of whom had haemophilia - a blood disorder caused by a lack of clotting agents in the blood - were actually infected with a product derived from blood called Factor 8. | |
| It is one of the proteins found in plasma (the clear liquid making up most of our blood's volume) which is involved in clotting. | It is one of the proteins found in plasma (the clear liquid making up most of our blood's volume) which is involved in clotting. |
| So where does the UK source its blood products from currently and how are they screened? | |
| Imported plasma | Imported plasma |
| All four UK nations, each of which has its own dedicated blood and transplant service, are self-sufficient when it comes to the supply of whole blood. | All four UK nations, each of which has its own dedicated blood and transplant service, are self-sufficient when it comes to the supply of whole blood. |
| This means patients who have experienced blood loss - through surgery, an accident or childbirth for example - receive transfusions from UK donors. | This means patients who have experienced blood loss - through surgery, an accident or childbirth for example - receive transfusions from UK donors. |
| But some patients are given blood products made up from only one part of the blood, for example platelets, or plasma. And some plasma is still imported from overseas. | But some patients are given blood products made up from only one part of the blood, for example platelets, or plasma. And some plasma is still imported from overseas. |
| The NHS Blood and Transplant Service in England says it imports about 10% of its plasma supply from Austria and Poland. Some of this is then imported from England by other UK nations. | The NHS Blood and Transplant Service in England says it imports about 10% of its plasma supply from Austria and Poland. Some of this is then imported from England by other UK nations. |
| Northern Ireland also on rare occasions imports platelets from Ireland, for clinically urgent cases. | Northern Ireland also on rare occasions imports platelets from Ireland, for clinically urgent cases. |
| The UK imports plasma to treat people born after 1 January 1996 as part of measures that were brought in to prevent the spread of CJD - a disease caused by consuming meat infected with BSE or "mad cow disease". | The UK imports plasma to treat people born after 1 January 1996 as part of measures that were brought in to prevent the spread of CJD - a disease caused by consuming meat infected with BSE or "mad cow disease". |
| It was considered that people born after that time would not have been exposed to the disease through the food supply chain and so extra precautions should be taken to prevent them being exposed through blood products. | It was considered that people born after that time would not have been exposed to the disease through the food supply chain and so extra precautions should be taken to prevent them being exposed through blood products. |
| Those born before that time who require plasma will be treated with UK donations. | Those born before that time who require plasma will be treated with UK donations. |
| Plasma began to be heat-treated in the mid-1980s to kill viruses. | Plasma began to be heat-treated in the mid-1980s to kill viruses. |
| Now, blood products are only imported from countries which have equivalent safety regulations and a lower risk of its donor population carrying CJD than the UK population. | Now, blood products are only imported from countries which have equivalent safety regulations and a lower risk of its donor population carrying CJD than the UK population. |
| The NHS Blood and Transplant Service in England says: "Plasma from Austria and Poland is collected from voluntary non-remunerated donors who are subject to the donor selection criteria in EU law. These are the same guidelines as NHSBT." | The NHS Blood and Transplant Service in England says: "Plasma from Austria and Poland is collected from voluntary non-remunerated donors who are subject to the donor selection criteria in EU law. These are the same guidelines as NHSBT." |
| And all blood products are screened for hepatitis viruses, syphilis and HIV among others. | And all blood products are screened for hepatitis viruses, syphilis and HIV among others. |
| However, fresh frozen plasma is less commonly used now and haemophiliacs are generally treated with synthetic clotting factors. | However, fresh frozen plasma is less commonly used now and haemophiliacs are generally treated with synthetic clotting factors. |
| Plasma can be frozen and stored for up to three years, while red blood cells can be stored for 35 days and platelets for only seven. | Plasma can be frozen and stored for up to three years, while red blood cells can be stored for 35 days and platelets for only seven. |
| Who can give blood? | Who can give blood? |
| People aged 17 to 70 and weighing between 7st 9lbs and 25st (50 to 160kg) who are generally fit and healthy can give blood. Pregnant women cannot give blood. | People aged 17 to 70 and weighing between 7st 9lbs and 25st (50 to 160kg) who are generally fit and healthy can give blood. Pregnant women cannot give blood. |
| You can never give blood if you | You can never give blood if you |
| The following people have restrictions on whether they can give blood: | The following people have restrictions on whether they can give blood: |
| Source: NHS Blood and Transplant | Source: NHS Blood and Transplant |
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