Teacher:In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Teacher: Now, understand the problem? Solve this instance: Hong Kong generally gets a bad rap when it comes to infectious diseases. Grabbing headlines during recent bird- and swine-flu outbreaks, its proximity to Mainland China as well as its unenviable status as the worst-affected city during the 2003 SARS outbreak, Hong Kong has been central to several global pandemic fears in recent years. It hasn't even escaped fictional outbreaks -- the 2011 movie "Contagion" had patient zero Gwyneth Paltrow bring back an unwelcome souvenir from a business trip to the city. But this bad biological baggage may come in handy. The unwelcome distinction of being home to over one fifth of the world's SARS cases, and two fifths of the 774 fatalities from SARS meant Hong Kong quickly developed and implemented a very sophisticated disease control and epidemiology infrastructure.Expertise gained in Hong Kong during SARS epidemic helpful in battling MERS virusOver 100 MERS deaths have now been reported as cases spikeHong Kong and Chinese researchers looking at "promising" antibodies as MERS cure 
 Question:"Even though our understanding of MERS is only a slowly evolving one, we can see important differences between it and _," he told CNN via email.
Student:
SARS