Influenza

Latest News

Viruses Causing Acute Respiratory Illness During the 2018/19 Influenza Season in Washington

By

Sweta Gupta

A team of investigators sought to estimate the burden of acute respiratory illness in ambulatory care settings for 12 respiratory viruses in Washington state during the 2018-2019 influenza season.

Flu Vaccine Provides Some Protection Against Hospitalization in Children

By

Sweta Gupta

Investigators conducted a systematic review and meta-analysis of 37 studies that used a test-negative design to evaluate IVE against influenza-associated hospitalization in children.

Low-Dose Intradermal Flu Vaccine as Effective as Standard Intramuscular Dose

By

Sweta Gupta

Investigators compared the immunogenicity and safety of the influenza vaccine of different intradermal vaccine doses with a standard intramuscular dose.

Patients of Female Doctors More Likely to Receive Flu Vaccine

Researchers used Medicare claims data to estimate differences in influenza vaccination rates among patients of female vs male physicians.

Repeated Influenza Vaccination Could Reduce Effectiveness

By

Bradley van Paridon

Researchers assessed the impact on pooled adjusted end-season vaccine effectiveness estimates from outpatient test-negative design studies.

Flucelvax Quadrivalent Approval Expanded to Include Younger Patients

By

Brian Park, PharmD

Flucelvax Quadrivalent is a subunit influenza vaccine manufactured using cell derived candidate vaccine viruses; it does not contain egg proteins or antibiotics.

Trivalent Adjuvanted, High-Dose Inactivated Influenza Vaccines Safe for Older Adults

By

Jessica Nye, PhD

Researchers compared safety, reactogenicity, and changes in Health-Related Quality of Life scores of aIIV3 vs HD-IIV3 flu vaccines in older adults.

Burden of Noninfluenza Respiratory Virus Infection Considerable

Researchers analyzed pooled patient data from 2 hospital-based respiratory virus surveillance cohorts to assess the burden of noninfluenza respiratory virus (NIRV) infection.

COVID-19 Precautions Cut Transmission of Other Common Viruses

Researchers compared respiratory viral infections other than severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in 2020 to corresponding periods in the previous 5 years.

Flu Vaccine Rate Expected to Reach All-Time High for 2020-2021 Season

In December 2020, researchers conducted a survey of 1027 adults to determine percentage of those receiving, or intending to receive, influenza vaccination.

Laws Encouraging Hospital Workers to Vaccinate Reduce Influenza Mortality Rates

By

Jessica Nye, PhD

The objective of this quasi-experimental observational study was to measure the effect of states’ hospital worker influenza vaccination laws on pneumonia and influenza mortality.

Increasing Age, Immunosuppression Associated With Less Protection By Influenza Vaccine

By

Jessica Nye, PhD

Study authors evaluated influenza-vaccinated patients hospitalized with an influenza-like illness to identify characteristics associated with being at increased risk for hospitalization with influenza.

AS03-Adjuvanted Flu Vaccine Increases Narcolepsy Incidence, Clinically Similar to Sporadic Cases

By

Brandon May

The AS03-adjuvanted H1N1 influenza vaccine was linked to an increased narcolepsy incidence, but this narcolepsy did not clinically differ significantly from sporadic cases.

Untreated Obstructive Sleep Apnea Linked to More Influenza Hospitalizations

By

Melissa I. Alvarez

There may be increased hospitalization risk from influenza infection in patients with obstructive sleep apnea who do not use continuous positive airway pressure.

Mortality Rates for Pneumonia and Influenza Vary by Geographical Area

By

Estie Mermelstein, MSN, FNP-BC

Researchers assessed whether there was geographic variation in racial disparity in influenza and pneumonia.

Nosocomial Influenza Outbreak Investigation Informed by Genomic Analyses

By

Bradley van Paridon

Investigators used precision surveillance by combining genomic sequencing and conventional surveillance to delineate a nosocomial viral outbreak; they believe the findings of their study are applicable to a range of respiratory pathogens, including SARS-CoV-2.

Neutrophilic Inflammation, Immunothrombosis May Distinguish Severe COVID-19 From Influenza

By

Brandon May

Severe coronavirus disease 2019 (COVID-19) is associated with immunothrombotic, neutrophil-containing vessel occlusions in the lung.

Contactless Monitoring Program for Acute Respiratory Illnesses

By

Jessica Nye, PhD

Household transmission of non-influenza respiratory viruses are thought to contribute significantly to transmission through the broader community.

Cadmium Burden Linked to Mortality From Flu, Pneumonia

Cadmium burden is associated with increased mortality from influenza or pneumonia in US adults.

Antenatal Influenza Associated With Late Pregnancy Loss and Low Birthweight

By

Sweta Gupta

Investigators quantified the risk of antenatal influenza and examined its association with perinatal outcomes.