Listen To News: Polio Outbreak Feared in Syria - 22 October 2013
Discussion Question: A director from WHO referred to the "duck test" in a response about this possible outbreak. Why would he use this expression, and what do you think he meant by it? (The duck test expression goes as follows: "If it looks like a duck, swims like a duck, and quacks like a duck, then it probably is a duck.")
I suppose this director has intended to say the polio case in Syria is a real situation, proven fact, only