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: WhatsApp says it has seen a drop of 70% in "highly forwarded" messages - the kind that may spread misinformation about the coronavirus.

Coronavirus: Viral WhatsApp messages 'drop 70%'