Look at the list of four diseases:
Classify each disease by matching it to the correct category in the list below:
Acute otitis media (middle ear infection) is a common condition that can be caused by bacteria or viruses.
Doctors only prescribe antibiotics to patients with acute otitis media if they are certain their infection is caused by bacteria. Write down two reasons why.
Look at the graph. It shows the percentage of patients reporting severe ear pain over time.

A dashed line represents viral otitis media, and a solid line represents bacterial otitis media.
Doctors usually wait 555 days after the onset of symptoms before prescribing antibiotics for acute otitis media. Use the graph to explain why.