A British government investigation is underway after health data volunteered by hundreds of thousands of people to a charity for research was found for sale on Alibaba, a major Chinese e-commerce platform. This raises serious concerns about data privacy and the security of medical information.

The British government is investigating how health data volunteered to a charity for research purposes wound up for sale via three vendors on the Alibaba e-commerce site in China. One listing had 500,000 people's data.