sounds like "h*lin". What word would be transcribed in ?

The main objective of traffic control at the scene of a motor vehicle crash is to:

A. warn oncoming traffic and prevent another crash. B. facilitate a route for the media to access the scene. C. prevent curious onlookers from observing the scene. D. get oncoming traffic past the scene as soon as possible.

Among other things, WHO monitors disease outbreaks and tracks the occurrence of __________ and pandemics around the world

Fill in the blank(s) with the appropriate word(s).