Question 4 - Influenza Viruses and Vaccines

a) How are influenza viruses classified? (4 marks)

b) What drugs are available for treating influenza virus infection? Describe their mechanism of actions. (8 mark)

c) What does the influenza vaccine contain? How many types of the influenza vaccine are there? (4 marks)

d) Who are not suitable to have the influenza vaccination? What are the side effects of the vaccine? (4 marks)