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The Rx Consultant

Influenza Update

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Overview / Abstract:

This issue provides key information on influenza vaccines and antiviral medications for the 2018-2019 flu season, including precautions, side effects, and use in special populations.

Influenza (commonly referred to as “the flu”) is a contagious viral infection of the respiratory tract (eg, nose, throat, and lungs). Influenza viruses are primarily spread by respiratory transmission – through droplets from coughing or sneezing. The circulation of influenza viruses varies geographically, with transmission occurring between October and May in the Northern Hemisphere of the temperate region (which includes the US), April and September in the Southern Hemisphere of the temperate region, and year-round in tropical/sub-tropical regions. In the US, peak influenza activity often occurs in January and February.

The flu can affect people of all ages, most frequently schoolaged children, usually causing asymptomatic infection or mild to moderate illness. Severe illness and death occur most often in vulnerable populations (eg, infants, elderly, and immunocompromised individuals). Each year, influenza affects 5-20% of the US population and causes 3,000-49,000 deaths from influenza-related complications. In the 2016-2017 season, 31 million Americans were infected, 14.5 million sought medical care, and 600,000 individuals were hospitalized due to influenza.

Influenza vaccination is an important primary prevention strategy. The Centers for Disease Control and Prevention’s (CDC) Advisory Committee on Immunization Practices (ACIP) recommends routine vaccination for all persons 6 months and older (unless contraindicated) starting in early fall, as soon as the

vaccine becomes available. The vaccine is available in a variety of formulations; however, the ACIP makes no preferential recommendation and encourages vaccination with any licensed, age-appropriate vaccine during the 2018-2019 season. Despite the ACIP’s universal recommendation for influenza vaccination, only 47% of the target population in the US (individuals 6 months and older) received the vaccine during the 2016-2017 season.

Expiration

Aug 23, 2021

Discipline(s)

Nurse Practitioner , Pharmacy CPE

Format

Monograph

Cost

6.95

Credits / Hours

1.5

Accreditation

ACPE

Presenters / Authors / Faculty

Richard H. Dang, PharmD, APh, BCACPis an Assistant Professor of Clinical Pharmacy, Director of Student Outreach for Community Health, and Site Coordinator of the PGY-1 Community-Based Pharmacy Residency Program the University of Southern California (USC) School of Pharmacy.

Dr. Dang coordinates courses in introductory and advanced community pharmacy practice, self-care/nonprescription therapies, and travel medicine. He is licensed as an Advanced Practice Pharmacist and is a national trainer for the APhA Pharmacy-Based Immunization Delivery program, the NACDS Community Pharmacy-Based Point-of-Care Testing Certificate program, and the CPhA/NACDS Advanced Practice Pharmacists Certificate Training Program.

Activity Specialities / Related Topics

Infectious Disease

Keywords / Search Terms

Continuing Education Network Inc. Flu, influenza, viral infection, immunization, flu shot, respiratory transmission, influenza vaccination, The Rx Consultant, Richard H. Dang

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