[EVA] NGE & RahXephon's blue blood: old SF movie reference?

[ObsessiveMathsFreak]

Gwern Branwen wrote:
> While reading through the messy archives, I came across
> http://lists.onegeek.org/pipermail/oldeva/1997-August/001893.html
> which says:
>
> "## And about "the same type". Anybody notices that when a Shito is
> ## discovered, the heads-up panel in the control room always says
> ## "Blood-type: Blue"? I read an EVA book (you know there are many
> ## of them), and it mentions a Japanese director (forgot his name)
> ## whose films apparently has had a major influence over Anno (the
> ## creator of EVA anime). One of his films is a SF movie, in which
> ## some UFO's appeared in several places on the Earth, and those
> ## people who were illuminated by the UFOs have their blood turned
> ## into blue. Nothing else happened to those people. They just
> ## lived as they were before, except their blood is now blue in
> ## colour. However, this is not the thing on the governments'
> ## minds. They are uneasy with certain people who are somehow
> ## different living in the society. And they fear that they have
> ## something more sinister developing in their bodies or minds.
> ## They organised a plot to kill everybody with blue blood. The
> ## lead character is a government employee, who happens to have
> ## a girlfriend with blue blood. The story ends in tragedy. All
> ## the blue-blooded people were killed, and the lead character
> ## himself killed his girlfriend."
>
> Has anyone see anything in the 13 years since about this? Most of the
> regular sources like
> http://www.animenewsnetwork.com/answerman/2005-04-15 simply dismiss it
> as being just an allusion to nobility.
>
>   
Apparently the film referenced was "Blue Christmas", a 1978 Japanese 
Sci-fi film.
http://www.evamonkey.com/platinum_vol2_episode_commentaries.htm
http://www.imdb.com/title/tt0077281/

MDWigs claimed that this was one of Anno's favourite movies, but didn't 
provide a source that I'm aware of.