I did an internet search for the domain name free flu through and found out that both and are available.

I chose .org because the Flu is described as a non-profit organization. Most non-profit organizations are .org. Many organizations and companies that tend to deal with some type of medicine fall into the .org category because it seems to give them some credentials to their company and separates them from educational and military or governmental sites.

Whois .Net has always been a good website to find out what domains are listed for availability. Of course this is only my opinion. You can separate for .com all the way to .un. On this site you can also see what domain is in use and who has it and what they offer on their site. I believe a simple...