Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: A new respiratory illness - from the same family as the Sars virus - appears not to spread easily, experts at the World Health Organization (WHO) say.

New 'Sars-like' not easily transmitted says WHO