"They predict that antigenic drift will almost certainly lead to current vaccine failure." Not difficult to predict the past.
They're on the ball
Hmmm...I should have read the comments 1st!
Great minds...
"They predict that antigenic drift will almost certainly lead to current vaccine failure." Not difficult to predict the past.
They're on the ball
Hmmm...I should have read the comments 1st!
Great minds...