And how would a clinical doctor be able to tell us that? Answer: they cannot. They haven't got time or equipment to do it. That's what the CDC is for.
Beyond that, given that the bacteria are sensitive to standard antibiotics, one really must wonder what all that alleged genetic alteration was supposed to do? (Hint: it was supposed to make anthrax immune to antibiotics.)
Perhaps it's a plot by the recording industry to give the little bugs a taste for the music of Britney Spears?
Britney: Much beloved by girls and anthrax?
Too many folks here are knee-jerk conspracy theorists. It is likely that there is more true than false in this report.