Module 9 Part 2 Seasonal Influenza – Post-exposure Antiviral Prophylaxis

Question 1

What are the primary strategies for preventing seasonal influenza?

Answer 1

The primary prevention strategies for seasonal influenza are vaccination and regular hand washing.

Question 2

Is post-exposure chemoprophylaxis with antiviral agents recommended for healthy children or adults exposed to influenza?

Answer 2

No, post-exposure chemoprophylaxis with antiviral agents is not recommended for healthy children or adults.

Question 3

What antiviral medication can be considered for post-exposure prophylaxis in individuals at higher risk for complications of influenza?

Answer 3

Oseltamivir is one option for post-exposure prophylaxis in individuals at higher risk for complications of influenza.

Question 4

When should chemoprophylaxis be considered, and in what settings?

Answer 4

Chemoprophylaxis should be considered in situations involving close contact with someone who has confirmed, probable, or suspected seasonal influenza. This includes institutional settings (e.g., LTC and hospitals) and household settings. The duration of prophylaxis may vary based on specific circumstances.

Question 5

What are the potential side effects and precautions associated with zanamivir?

Answer 5

Some patients using zanamivir have experienced bronchospasm (wheezing) or serious breathing problems, particularly those with asthma or COPD. It is not recommended for use in these patients. Those with asthma or COPD should have a fast-acting inhaled bronchodilator available if zanamivir is to be used.