Influenza Vaccine


4.6 out of 5 (606 Reviews)



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Start Date

1 Sep 2023

Last Review Date

10 Jan 2024

Expiration Date

31 Aug 2026

Estimated Time To Finish

90 Minutes

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Activity Description

Influenza viruses belong to the Orthomyxoviridae RNA virus family and are classified into 3 distinct types based on their major antigenic differences: influenza A, influenza B, and influenza C. Influenza viruses cause annual human epidemics, seasonal and pandemics. Seasonal influenza epidemics caused by influenza A and B viruses result in 3 to 5 million severe cases and thousands of deaths globally each year. The influenza A virus causes epidemics and pandemics because of its spread from migrating birds, pigs, horses, and humans. Transmission can be human to human from fomites, coughing, and sneezing. Influenza B exclusively spreads among humans, underscoring its unique transmission pattern limited to human-to-human contact. This singular mode of transmission excludes involvement with other hosts, distinguishing Influenza B from viruses capable of causing pandemics. Influenza C is a mild disease. This activity describes the mode of action of the influenza vaccine, including modes of administration, formulations, adverse event profiles, eligible patient populations, and monitoring, and it highlights the role of the interprofessional team in the management of influenza patients.

Participants will gain comprehensive insights into the influenza viruses, their classifications (A, B, and C), and the associated human epidemics, seasonal outbreaks, and pandemics. A thorough understanding of influenza viruses, vaccination strategies, and tailored recommendations for diverse patient populations is emphasized. Clinicians will acquire an understanding of the indications for vaccination, incorporating recommendations from the Advisory Committee on Immunization Practices and the Centers for Disease Control and Prevention, targeting specific age groups and individuals with underlying health conditions.


Target Audience

This activity has been designed to meet the educational needs of physicians, physician associates, nurses, pharmacists, and nurse practitioners.

Learning Objectives

At the conclusion of this activity, the learner will be better able to:

  • Differentiate between the various influenza virus types (A, B, and C) to tailor vaccination strategies based on their distinct characteristics and transmission patterns.

  • Assess the absolute and relative contraindications of the influenza vaccine.

  • Implement evidence-based vaccination protocols, incorporating the latest recommendations from authoritative bodies such as the Advisory Committee on Immunization Practices and the Centers for Disease Control and Prevention, ensuring accurate and timely administration.

  • Collaborate with an interprofessional team to develop and implement comprehensive influenza vaccination strategies, promoting a unified approach to preventive healthcare.


StatPearls, LLC requires everyone who influences the content of an educational activity to disclose relevant financial relationships with ineligible companies that have occurred within the past 24 months. Ineligible companies are organizations whose primary business is producing, marketing, selling, re-selling, or distributing healthcare products used by or on patients. All relevant conflict(s) of interest have been mitigated. Hover over contributor names for financial disclosures. Others involved in planning this educational activity have no relevant financial relationships to disclose.

Commercial Support: This activity has received NO commercial support.

Continuing Education Accreditation Information

In support of improving patient care, StatPearls, LLC is jointly accredited by the Accreditation Council for Continuing Medical Education (ACCME), the Accreditation Council for Pharmacy Education (ACPE), and the American Nurses Credentialing Center (ANCC) to provide continuing education for the healthcare team.


Physicians and Physician Associates: StatPearls, LLC designates this enduring material for a maximum of 1.50 AMA PRA Category 1 Credit(s)TM. Physicians and PAs should only claim credit commensurate with the extent of their participation in the activity.

American Board of Anesthesiology: This activity contributes to the CME component of the American Board of Anesthesiology’s redesigned Maintenance of Certification in AnesthesiologyTM (MOCA®) program, known as MOCA 2.0®. Please consult the ABA website,, for a list of all MOCA 2.0 requirements.

American Board of Internal Medicine: Successful completion of this CME activity, which includes participation in the evaluation component, enables the participant to earn up to 1.50 MOC points in the American Board of Internal Medicine’s (ABIM) Maintenance of Certification (MOC) program. It is the CME activity provider’s responsibility to submit participant completion information to ACCME for the purpose of granting ABIM MOC credit.

American Board of Otolaryngology–Head and Neck Surgery: Successful completion of this CME activity, which includes participation in the evaluation component, enables the participant to earn their required annual part II self-assessment credit in the American Board of Otolaryngology–Head and Neck Surgery’s Continuing Certification program (formerly known as MOC). It is the CME activity provider's responsibility to submit participant completion information to ACCME for the purpose of recognizing participation.

American Board of Pathology: Successful completion of this Continuing Certification activity, which includes participation in the evaluation component, enables the participant to earn up to 1.50 Lifelong Learning (CME) credits in the American Board of Pathology’s Continuing Certification Program.

American Board of Pediatrics: Successful completion of this CME activity, which includes participation in the evaluation component, enables the learner to earn up to 1.50 MOC points in the American Board of Pediatrics’ (ABP) Maintenance of Certification (MOC) program. It is the CME activity provider’s responsibility to submit learner completion information to ACCME for the purpose of granting ABP MOC credit.

American Board of Surgery: Successful completion of this CME activity, which includes participation in the evaluation component, enables the learner to earn credit toward the CME and Self-Assessment requirement(s) of the American Board of Surgery’s Continuous Certification program. It is the CME activity provider's responsibility to submit learner completion information to ACCME for the purpose of granting ABS credit.

Royal College of Physicians and Surgeons of Canada: Through an agreement between the Accreditation Council for Continuing Medical Education and the Royal College of Physicians and Surgeons of Canada, medical practitioners participating in the Royal College MOC Program may record completion of accredited activities registered under the ACCME’s “CME in Support of MOC” program in Section 3 of the Royal College’s MOC Program.

Please consult your professional licensing board for information on the applicability and acceptance of continuing education credit for this activity.

Method of Participation and Credit

  1. Register for the activity.    
  2. Review the target audience, learning objectives, and disclosure information.
  3. Study the educational content of the enduring material.
  4. Choose the best answer to each activity test question. To receive credit and a certificate, you must pass the test questions with a minimum score of 100%.
  5. Complete the post-activity assessment survey.

If you have concerns regarding the CE/CME system, please contact


This educational activity was planned and produced in accordance with the ACCME Standards for Integrity and Independence in Accredited Continuing Education. Faculty may discuss investigational products or off-label uses of products regulated by the FDA. Readers should verify all information before employing any therapies described in this educational activity.

The information provided for this activity is for continuing education purposes only and is not meant to substitute for the independent medical/clinical judgment of a healthcare provider relative to diagnostic and treatment options of a specific patient’s medical condition. The information presented does not necessarily reflect the views of StatPearls or any commercial supporters of educational activities on StatPearls expressly disclaims responsibility for any adverse consequences resulting directly or indirectly from information in the course, for undetected error, or through a participant's misunderstanding of the content.

Unapproved Uses of Drugs/Devices: In accordance with FDA requirements, the audience is advised that information presented in this continuing education activity may contain references to unlabeled or unapproved uses of drugs or devices. Please refer to the FDA-approved package insert for each drug/device for full prescribing/utilization information.

Cancellation Policy: Please see the cancellation policy. StatPearls, LLC reserves the right to cancel any course due to unforeseen circumstances.




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Very good material for education

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Offer more FREE credits for continuing education students [more free AMA PRC CAT 1 Courses & Credits!] Thanks and Happy Holidays!

Rebecca F. on 11/14/2022

Very informative.

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Thank you.

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Thank you

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thank you

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It's perfect

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Great course

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Excellent CME programs.

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Thank you !

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Improving my knowledge in medicine is always a great pleasure, and also understanding the pathophysiology and microorganisms invasion of our body is of the paramount importance.

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Good course. The addition of a section on the appropriate uses of the various forms of influenza vaccination and selection of live versus inactivated vaccine in the written material for the course would be helpful.

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Thank you for the opportunity to obtain free CEUs

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