Found a news story I think others on here will be interested in. I wonder if this is as good as it sounds. (Hasn't been tested on humans, or even pigs yet, but claims it can remove Ebola and HIV from human blood.)
http://www.ibtimes.co.uk/artificial...iv-viruses-toxins-blood-using-magnets-1465585
http://www.ibtimes.co.uk/artificial...iv-viruses-toxins-blood-using-magnets-1465585