Christians sometimes make themselves into elephants afraid of mice. You have the Creator of the universe on your side; not to mention, you've been given eternal life. 'Whom or what shall you fear?' To be afraid of anything other than God himself is like an insult to God.

Is the drive to refuse gay blood a fear of contracting HIV/AIDS, or is it an embodiment of the irrational fear that receiving blood from gay people will somehow make them gay?