Influenza

Influenza (the flu) is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. The best way to prevent the flu is by getting a flu vaccination each year. Every year in the United States, on average 5% to 20% of the population gets the flu; more than 200,000 people are hospitalized from flu complications, and; about 36,000 people die from flu-related causes. Some people, such as older people, young children, and people with certain health conditions, are at high risk for serious flu complications.
Types of Influenza

Influenza is caused by three types of RNA viruses called influenza types A, B and C, which all belong to the family Orthomyxoviridae.

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Overview

Feature Articles

Latest Influenza News and Research

Local climate and wildlife factors help predict avian flu outbreaks in Europe

Local climate and wildlife factors help predict avian flu outbreaks in Europe

Routine vaccines may be the key to fighting antibiotic resistance

Routine vaccines may be the key to fighting antibiotic resistance

Genetic secrets of Spanish flu revealed through century-old sample

Genetic secrets of Spanish flu revealed through century-old sample

Early antibiotic exposure weakens infant immune development

Early antibiotic exposure weakens infant immune development

Therapeutic potential of houttuynia cordata polysaccharide in H1N1 and MRSA-induced acute pneumonia

Therapeutic potential of houttuynia cordata polysaccharide in H1N1 and MRSA-induced acute pneumonia

New microchip tracks antibody-virus interactions from a single drop of blood

New microchip tracks antibody-virus interactions from a single drop of blood

Scientists identify key role of T-bet in flu memory B cells

Scientists identify key role of T-bet in flu memory B cells

Does soup really work when you’re down with cold or flu?

Does soup really work when you’re down with cold or flu?

Letting bird flu run its course could spark wider pandemic

Letting bird flu run its course could spark wider pandemic

Mature dendritic cell vesicles enhance influenza vaccine effectiveness

Mature dendritic cell vesicles enhance influenza vaccine effectiveness

Vaccination plays key role in preventing cardiovascular events after infection

Vaccination plays key role in preventing cardiovascular events after infection

How underreporting masks the real impact of RSV in older populations

How underreporting masks the real impact of RSV in older populations

Kennedy’s vaccine advisers sow doubts as scientists protest US pivot on shots

Kennedy’s vaccine advisers sow doubts as scientists protest US pivot on shots

Updated COVID-19 vaccines found effective against severe illness

Updated COVID-19 vaccines found effective against severe illness

ADC189 shows promise as a single-dose treatment for influenza

ADC189 shows promise as a single-dose treatment for influenza

Monitoring wastewater proves effective in forecasting COVID trends

Monitoring wastewater proves effective in forecasting COVID trends

Smartwatches could help stop pandemics before they start

Smartwatches could help stop pandemics before they start

Many older people embrace vaccines. Research is proving them right.

Many older people embrace vaccines. Research is proving them right.

AI reveals how H5N1 virus is evolving to evade human immunity

AI reveals how H5N1 virus is evolving to evade human immunity

Monitoring airborne fungal spores predicts flu and COVID-19 surges

Monitoring airborne fungal spores predicts flu and COVID-19 surges

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