Health Canada lifts lengthy mad cow-related blood donation ban nationwide
Health Canada has granted approval to lift a ban on blood donations from people who lived or travelled in the United Kingdom, Ireland or France for long periods of time in the 1980s and 1990s, Canadian Blood Services said Wednesday.The ban was adopted more than two decades ago by blood agencies in many countries to prevent the transmission of variant Creutzfeldt-Jakob disease — the human form of bovine spongiform encephalopathy, or "mad cow disease."But almost 30 years of research and surveillance have made it clear that…