Influenza

Latest News

FDA Authorizes Direct-to-Consumer Test to Detect COVID-19, Influenza, and RSV

By

Brian Park, PharmD

The test is the first non-prescription multi-analyte COVID-19 test that allows individuals to test nasal swab samples self-collected at home.

Risk of Bias in Test-Negative Studies on COVID-19, Influenza Vaccine Effectiveness

By

Jessica Nye, PhD

Researchers evaluated the risk of confounding bias in simulated test-negative studies that assessed estimated COVID-19 and influenza vaccine effectiveness.

Demographic Differences in COVID-19 vs Non-COVID-19 Severe Pneumonia

By

Sheila Jacobs

In patients with severe pneumonia, how do clinical characteristics, comorbidities, and mortality rates differ between those with vs without COVID-19?

Inhaled Zanamivir vs Oral Oseltamivir on Influenza-Related Hospitalization Risk

By

Bradley van Paridon

Researchers conducted a study that compared early treatment with inhaled zanamivir vs oral oseltamivir on the risk for hospitalization or death due to influenza infection.

Live Attenuated Flu Vaccine Does Not Appear to Increase Frequency of Asthma Exacerbations

For children aged 5 to 17 years with asthma, quadrivalent live attenuated influenza vaccine (LAIV4) is noninferior to quadrivalent inactivated influenza vaccine (IIV4) for frequency of asthma exacerbations.

Risk for Shoulder Conditions Small After Vaccination in Deltoid Muscle

There is a small absolute risk for shoulder conditions after intramuscular vaccination administered in the deltoid muscle.

Effect of Baloxavir Marboxil vs Oseltamivir on Familial Influenza Transmission

By

Virginia A. Schad, PharmD, RPh

Researchers compared the incidence of intra-familial influenza transmission after treatment of the first family member with baloxavir marboxil vs oseltamivir.

Coadministration of QIV-HD Influenza Vaccine, mRNA-1273 COVID-19 Vaccine Is Safe

By

Sheila Jacobs

Researchers examined the safety and immunogenicity of administering a high-dose quadrivalent influenza vaccine and a third dose of mRNA-1273 vaccine booster concomitantly.

Interim Estimate Suggests Flu Shot Not Effective in 2021-2022 Season

During the 2021-2022 season, influenza vaccination did not reduce the risk for outpatient medically attended illness with influenza A(H3N2) viruses that have predominated this season.

Prevalence of COVID-19, Multisystem Inflammatory Syndrome Hospitalizations in Children

By

Bradley van Paridon

Researchers conducted a study to compare hospitalizations due to COVID-19 infection plus multisystem inflammatory syndrome with those due to influenza and respiratory syncytial virus infection among children between 5 and 11 years.

Does Heterologous COVID-19 Vaccination Protect Against Seasonal Coronaviruses?

By

Madison Heck, MPH, CHES

Researchers conducted a study to determine whether homologous COVID-19 vaccination increases in vitro neutralizing activity against seasonal human coronaviruses.

Do Influenza Vaccines That Are Mismatched to Flu Viruses Protect Children?

By

Ron Goldberg

How well do influenza vaccines protect children against critical and life-threatening illness when vaccines are mismatched with the virus?

Flu Vaccine Effective Against Life-Threatening Illness in Children

Influenza vaccine effectiveness was 75% against life-threatening influenza in children during the 2019 to 2020 season, when vaccine-mismatched viruses predominated.

Influenza Vaccination Cuts Risk of Critical Illness in Children

By

Brian Park, PharmD

During a season predominated by 2 vaccine-mismatched viruses, vaccination was estimated to reduce the risk of life-threatening influenza illness by 75%.

Characteristics of Hospitalized Pregnant Women With Flu Identified

Close to 30% of reproductive-aged women hospitalized with influenza were pregnant during the 2010-2011 through 2018-2019 influenza seasons.

Flu Vaccine May Not Protect Against Main Flu Strain

This season’s flu vaccine may do little to prevent infection with the main circulating virus strain because the strain has changed since the vaccine was developed.

Efficacy of the NVX-CoV2373 COVID-19 Vaccine Co-Administered With Seasonal Influenza Vaccines

By

Bradley van Paridon

Researchers conducted a study to assess the efficacy of the NVX-CoV2373 COVID-19 vaccine when co-administered with a seasonal influenza vaccine.

N95 Respirators vs Surgical Masks for Protection Against Viral Respiratory Illnesses

By

Bradley van Paridon

Researchers conducted a meta-analysis to determine the effectiveness of N95 respirators vs surgical masks in protecting against viral respiratory illness transmission.

Influenza Infection Linked to Long-Term Increased Risk for Parkinson Disease

By

Amit Akirov, MD

Researchers sought to examine whether prior influenza or other infections are associated with Parkinson disease more than 10 years after infection.

Efficacy of a Cell-Based Quadrivalent Inactivated Influenza Vaccine (IIV4c) in Children, Adolescents

By

Estie Mermelstein, MSN, FNP-BC

Investigators conducted a study to assess the efficacy of a cell-based quadrivalent inactivated influenza vaccine (IIV4c) in preventing influenza virus infection in adolescents and children.