1. Describe seasonal influenza, a common infectious disease that occurs in New Zealand.
(Include in your answer: biology of the virus; signs/symptoms; transmission; diagnosis; prevention; treatment; risk factors; complications; surveillance).
2. Explain why seasonal influenza is a health issueinNewZealand.
3. Explain how the seasonal influenza vaccine works.
4. Discuss the similarities and differences between the New Zealand immunisation programme for seasonal influenza and chickenpox