1. The two strains (or lineages) of influenza B virus currently in circulation are:

2. Compared with influenza B, influenza A virus poses a greater risk of pandemics because:

3. Based on a systematic review of influenza-related mortality (1976-1977 through 1998-1999 influenza seasons), what proportion of deaths are believed to be due to influenza B?

4. Although seasonal influenza infection is uncomplicated in the majority of patients, serious influenza-related complications and death may occur in adults and children with certain high-risk factors, including:

5. Your patient who lives in a congregate setting presents with influenza-like symptoms, but the rapid influenza diagnostic test (RIDT) you perform is negative. You should:

6. Compared with trivalent influenza vaccines, current quadrivalent vaccines contain:

7. According to guidelines issued by the American College of Obstetricians and Gynecologists (ACOG), all women who are pregnant/postpartum during the influenza season should:

8. You are considering use of baloxavir marboxil for your patient with influenza who is at high risk for complications due to immunosuppression. This antiviral drug is believed to act by inhibiting:

9. Your patient with leukemia, who has recently undergone a hematopoietic stem cell transplant (HPSCT), seeks your advice on how she can best protect herself against influenza. According to guidelines issued by the Infectious Diseases Society of America (IDSA), during influenza season she should receive:

10. Surveys and literature reviews have found that patients prefer and are more likely to get vaccinated for influenza when administered:

Evaluation Questions

11. How confident are in your treatment choice for the patient with leukemia in question #9?

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