There you are, arm bared and teeth set, ready to endure the needle required to deliver a dose of flu vaccine, because you know that getting a flu shot will prepare you against the onslaught of illness. But it might not work out all that well, the Centers for Disease Control and Prevention says, because this year’s batch of vaccine is proving a bit weak in the face of the current strain of flu going around for 2014-15. [More]
