This virus can steal its host's immune system

Viruses and their hosts are in a perpetual state of evolutionary war. Host organisms try to find ways to get rid of their parasitic interlopers, while viruses develop countermeasures to evade rejection. It's a biological arms race that often results in some pretty strange innovations. But Tufts University researchers… » 2/28/13 1:00pm 2/28/13 1:00pm