Bird Flu Mutates "Slightly"

NewsTarget says “Yes, it is slightly altered, but in a way that viruses commonly mutate,” said Dick Thompson, a WHO spokesman in Geneva. “But that didn’t make it more transmissible or cause more severe disease.”

Bird flu spread from human to human. This revelation did not catch much mainstream press.

“In a way that viruses commonly mutates” suggests to me further mutations can be expected.