"An effective, treaty-based arms control and disarmament regime must be preserved and expanded, including effective and verifiable prevention of proliferation" of nuclear weapons, said Joschka Fischer.

CNN: Russia calls for missile talks

In fact, it's about 62% effective, said the director of the Centers for Disease Control and Prevention, Dr. Thomas Frieden, on Friday.

CNN: Had a flu shot? You'll be OK -- maybe

This year, a year in which the vaccine is supposed to be a good match to the virus, the Centers for Disease Control and Prevention estimates the vaccine is only 62% effective.

CNN: Flu vaccine attitudes abroad differ from U.S.

And some scientists at the Centers for Disease Control and Prevention think it's possible that even this less effective vaccine may have lessened symptoms.

NPR: Q&A: Weighing The Value Of Less Effective Flu Shot