Influenza Information Center Archive
In 1918, between 50 and 100 million people are thought to have died from the great influenza pandemic, representing as much as 5% of the world's population.
Intensive care and death were greatly prevented in patients who were annually vaccinated.
Men may experience a lower immune response than women, adding insight to the man flu debate.
Inactivated and live attenuated flu vaccines can be safely administered to people with egg allergies.
A Minnesota-based hospital chain fires about 50 employees for refusal to receive the influenza vaccine.
New virus mutations make antibody binding difficult as mismatches in vaccines and viruses emerge.
In the 1 to 10 days after flu vaccine administration, there was no increased risk for VTE.
Greater positive mood significantly predicted greater antibody responses to the influenza vaccination.
The guidelines include a strong recommendation for annual seasonal influenza immunization for everyone 6 months and older.
Total influenza vaccination rates among children in the 2016 to 2017 influenza season dropped 1.6% from the year before.
Digital immunoassays and rapid nucleic acid amplification tests have higher sensitivities for detecting influenza than rapid influenza diagnostic tests.
The Advisory Committee on Immunization Practices has released the guidelines for the 2017-2018 season.
Researchers found the H3N2 virus in swine at state fairs in Ohio and Michigan, which was transmitted to humans.
The live attenuated vaccine was ineffective among children between 2 and 17 years of age during the 2015-2016 season.
Researchers found that in a cohort of pregnant women, receipt of influenza vaccine the previous year predicts higher baseline antibody titers and decreased peak antibody responses against all influenza strains.
About half of patients accepted influenza vaccination for their child if the clinician used a presumptive vs participatory initiation format.
Improving influenza vaccination rates will require a much greater commitment to preventative public health to change public perception of the importance and efficacy of flu vaccination.
A total of 101 influenza-related deaths occurred among children throughout the 2016-17 flu season.
Study finds flu shots are less effective for obese adults compared to healthy weight individuals.
Forty percent of people have reported receiving the flu vaccine thus far, including 37% of children.
The number of patients dying from infections has remained stable, but some disease threats have changed.
In a study of pediatric patients, vaccine coverage in both LAIV and IIV groups was similar.
Oseltamivir phosphate can be used to prevent flu in patients aged 1 year and older.
It is well-accepted that healthcare practitioners have a duty to their patients, but do patients have a duty as well?
The nasal flu vaccine had a protection rate of only 3%.
Children who receive the influenza vaccine at the same time as PCV or a DTaP-containing vaccine have an increased risk for febrile seizure.
Natural viral mutations ensure that the seasonal flu vaccine must be updated on a yearly basis.
An ACIP panel recommended adding live-attenuated influenza vaccination as an option for individuals with egg allergy of any severity.
A clinician questions wonders if there is a connection between cardiac arrhythmia and the flu vaccine.
The ACIP announced the latest vaccine effectiveness percentages at their February 24th meeting.
CDC urges rapid antiviral treatment of very ill and high-risk patients suspected of having influenza
Cases of both influenza A and influenza B have been reported since October 2015.
A clinician expresses concerns about potentially misleading flu vaccination information for pregnant women.
By presenting research on the safety and efficacy of the flu vaccine, clinicians can successfully promote vaccination to patients in their care.
Patients with heart failure who receive the influenza vaccine may have a lower risk for all-cause mortality compared with those who do not get the vaccine.
Learn how to diagnose and treat influenza in children.
Clinicians debate the fact or hype present in the CDC's most recently released statistics on influenza death rate.
Even if the flu shot "misses," as it did last year, it remains one of the best tools we have to help our patients live healthier lives.
The FDA has approved Fluad, a trivalent flu vaccine with the adjuvant MF59, for use in patients aged 65 and older.
Learn how to diagnose and treat influenza in adults.
Providers should educate their patients on the prevalence of influenza, its potential complications, and the available prevention options.
The influenza vaccine may be able to prevent approximately 57% of hospitalizations due to influenza pneumonia.
Seniors with the flu should be treated as soon as possible in order to reduce hospital stay length and the need for extended care after discharge.
Higher influenza vaccination rates among healthy adults may lower the risk for influenza among older adults, according to a study published online ahead of print September 9 in Clinical Infectious Diseases.
The makers of the egg-free flu vaccine, Flublok, have announced that it is now available nationwide.
Clinicians are advised to lead by example and encourage all patients to get their annual influenza vaccine.
The American Academy of Pediatrics recommends that flu vaccines should be mandatory for children and health care workers.
A new study provides evidence that yearly influenza vaccination benefited residents of nursing homes.
The strain of H3N2 used in last year's flu vaccine differed from the circulating strain.
Flublok Quadrivalent vaccine was 33% more effective in preventing flu than the traditional vaccine.
The CDC's Advisory Committee on Immunization Practices met to vote on updates to several vaccine recommendations, including for HPV.
More education is needed to increase influenza vaccination rates among nursing home workers.
Most years, the effectiveness of the flu vaccine ranges from 10% to 60%.
The proportion of outpatient visits for flu-like symptoms rose nearly 4% by the end of December 2014.
Patients given paramivir had flu symptoms ease 21 hours sooner compared with patients left untreated.
Stronger improvement in the immune response was seen in frail senior patients living in nursing homes who received a high-dose flu vaccine.
CDC officials are urging the public to get the flu vaccine even though it may not be as effective against the mutated H3N2 strain.
Providing corrective information to patients with high concerns regarding the side effects of the flu vaccine didn't encourage vaccination.
Even though this year's vaccine does not directly protect against the most widely circulated H3N2 strain this year, CDC still urges clinicians to immunize patients.
Early season influenza vaccination of patients with HIV may influence the risk of infection later in the season.
Flu-related complications last year caused more than 100 deaths in children and most of whom were not vaccinated.
A key element of the collaborative practice agreement is communication.
The Clinical Advisor asked infectious-diseases specialist Michael E. Klepser, PharmD, about the role over-the-counter agents play in seasonal influenza.
The investigational drug peramivir has been shown to reduce the duration of symptoms of the flu, according to researchers.
Pregnant women with HIV experienced partial protection from the flu when given the trivalent inactivated influenza vaccine.
A high-dose trivalent vaccine demonstrated improved protection for seniors against flu than the standard-dose vaccine.
Among patients diagnosed with PCR-confirmed influenza, more receive antibiotic prescriptions than antivirals.
Reported cases of influenza represent the "tip of a large clinical and subclinical iceberg," researchers say.
Patient died nine days after illness onset; visited live poultry farm four days before illness.
Healthcare providers should not rely entirely on rapid flu tests when determining if patients have influenza.
Shortage should be resolved in week; Tamiflu capsules, flu shots widely available, U.S. officials say
A novel inactivated quadrivalent flu vaccine was effective in preventing influenza, reducing attack rate in moderate-to-severe disease.
The vaccine is not intended for commercial distribution, but to supplement the national stockpile of influenza vaccines in the event of a pandemic.
A woman from Taiwan has been infected with novel H6N1 influenza A virus, an avian influenza that's been circulating since 1972.
A case report describes a 4-year-old undergoing an adverse reaction within 15 minutes of receiving flu shot.
Although influenza activity has been low through mid-October, health officials expect cases to increase in the coming weeks.
Getting a flu shot was associated with lower risk for cardiac events, with the effect more pronounced in those with more active coronary disease.
Patients should have vaccine in primary care or allergist office, depending on allergy severity
Vaccinating against influenza during pregnancy reduced the odds of a preterm birth during a widespread influenza activity period.
Healthcare providers must both recommend the vaccine and offer to vaccinate.
Don't wait for quadrivalent vaccines to immunize kids against influenza.
Almost genetically identical strains of H7N9 avian influenza were isolated from a man in eastern China and his daughter, both who died of the illness.
The FDA has approved Fluzone Quadrivalent to protect adults and children aged 6 months and older during the 2013-2014 influenza season.
Doubling the dose of oseltamivir has no virological or clinical advantage compared with standard-dose treatment for children with severe influenza.
A study shows that drug-resistant mutations have been identified in patients infected with the avian H7N9 influenza A virus.
Although no evidence exists of sustained ongoing human-to-human H7N9 transmission, health officials are taking steps to prepare for a potential pandemic.
In response to a federal initiative, a school clinician immunizes a child—but without parental consent.
H7N9 influenza A, a strain of avian flu not previously known to infect humans, has sickened seven and killed two in China.
British study shows link between European ASO3-adjuvanted pandemic influenza A H1N1 vaccine and narcolepsy risk.
Vaccination with AS03-adjuvanted monovalent pandemic vaccine did not increase risk for stillbirth or other adverse birth outcomes.
The FDA has approved a new cell-culture seasonal influenza vaccine that does not use live influenza virus or chicken eggs in its production.
Influenza incidence has surpassed the 2011-2012 season, but associated mortality is below epidemic thresholds.
Immunization with a trivalent influenza vaccine four times the strength of a standard dose conferred better protection in adults with HIV.
The new flu vaccine will protect against two influenza A strains and two influenza B strains to limit the likelihood of a mismatch between the vaccine and circulating viruses.
More severe disease, poorer outcomes expected with predominant influenza A H3N2 strain.
Researchers were able to predict peak flu season seven weeks early, using a model that combines Google search terms with weather forecasting techniques.
Time constraints make it difficult to adequately educate patients about the benefits of vaccines in the office, but there are several strategies that may help.
The FDA has approved Flucelvax, the first seasonal flu vaccine using cell culture technology.
New influenza vaccine recommendations from the American Academy of Pediatrics include two options for vaccine dosing in children ages 6 months through 8 years.
Influenza A H1N1 vaccine not associated with birth defects, but linked to slight increased risk for Guillain-Barré syndrome.
Educational messages with clinic information increased vaccination rates among a low-income, urban population, but overall rates remained low.