*Currently, there are no do-overs since the body’s immune system will recognize ...

		anon4 on May 15, 2014 \| parent \| context \| favorite \| on: Woman’s cancer killed by measles virus in trial Currently, there are no do-overs since the body’s immune system will recognize the virus and attack it Can't they circumvent this by injecting more of the virus than the body can fight at once? Though it's starting to sound like regular expressions...

The immune response might be fatal – anaphylactic shock.