1.  Post offices around the country are working to protect their employees, said Terry Penland, a postal spokeswoman in Kansas City.

2.  The Postal Service delivers millions of checks, credit cards and other valuable items every day, explained postal spokeswoman Carol Larson.

3.  The three groups filed appeals last week after being disqualified because they failed to meet the requirements, a postal spokeswoman said.

4.  There were no reported cases of the disease or symptoms among postal workers in Kansas City as of Friday afternoon, said postal spokeswoman Terry Penland.

5.  Postal spokeswoman Sue Brennan likened the system to mailing a postcard written with indelible ink.

6.  Postal Authority spokeswoman Sigal Galil said the stamp is part of a commemorative series on biblical cities and had nothing to do with politics.