You might feel terrible. But your runny nose, sore throat and aches are signs your body is fighting the flu virus. And that’s a good thing.
How can a tiny flu virus make you feel so bad, all over? Here's what's behind your high temperature, muscle aches and other flu symptoms.
Children are more likely than adults to catch and spread influenza.
Children's immune systems are more vulnerable to the flu; even kids who are otherwise healthy can develop complications. The best way to protect children is by having them vaccinated.
They’re not perfect, but flu shots are still good to get.
AP Photo/David Goldman
The 2018-2019 flu season was less deadly than the last. But the pattern of infection was unusual, thanks to the various strains circulating and the way flu shots work over time.
The new approach to keep research ready to go could be useful for other health emergencies, including other infectious diseases.
All too often, researchers around the world act in competition when trying to answer research questions in an emergency situation, such as outbreaks of the flu. The UK is trialling a new approach.
The flu comes on rapidly and symptoms get worse over the first few days.
The 2018 flu season was mild, while 2017 was a particularly bad year. It's impossible to predict what the 2019 flu season has in store, but we've seen more cases so far this year than usual.
There are three types of flu vaccine available in Australia.
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The adjuvanted flu vaccine is free for over-65s and offers better protection than the standard vaccine. Here's what the research says.
What goes up must come down, and that includes the protection the flu vaccine offers against influenza.
Protection wanes after four or five months, so for most people, it makes sense to get a flu shot in mid to late May or early June so you're protected when the flu season peaks in August or September.
Little yellow-shouldered bat.
Scientists identify the risk of bat flu spreading to humans.
Women were at the forefront of managing the influenza pandemic.
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Californians in June 2015 protest a bill that did away with personal belief exemptions for vaccinating children before they enter school.
Rich Pedroncelli/AP Photo
Vaccination rates for children in some parts of California are down, despite a law that narrowed exemptions. Here's a look at why people refuse to listen to evidence when it comes to the flu vaccine.
The flu virus changes over time – which is why you need a different flu shot each year.
Important research questions can almost always be answered better with a combination of methods – where both quantitive and qualitative data play a role.
The flu shot decrease the risk of heart attacks in healthy individuals, according to research. Here, pipettes containing immune cells for testing against possible flu vaccines are seen at the National Institutes of Health in Bethesda, Md., in 2017.
(AP Photo/Carolyn Kaster)
Your risk of a heart attack increases 600 per cent within a week of catching the flu. The flu shot decreases that risk, whether you catch the flu or not.
A nurse in Atlanta reaches for a vial of vaccine to prepare for an injection.
David Goldman/AP Photo
The flu shot is most effective if you receive it by the end of October. With 80,000 deaths from flu during last year's flu season, a doctor explains why you should act now.
One-year-old Kilian Doherty being prepared for a chest X-ray Feb. 9, 2018 to determine if he had flu.
David Goldman/AP Photo
Regular hand washing is important not only to keep from getting the flu but also to prevent passing it to others, such as young children and seniors, who may be even more vulnerable. Here's how.
An Atlanta hospital set up a mobile ER to deal with the large number of flu cases.
AP Photo/David Goldman
Part of the problem was a mismatch between the influenza strains circulating and the vaccine available. Here's how annual flu shots are formulated.
Electron microscopy image of 1918 influenza virus particles near a cell.
Pandemic and bird flu viruses are more deadly than seasonal flu. Scientists may have finally discovered why.
In the event of pandemic flu, poor countries will suffer the most.
A poster from a world summit in Hong Kong on preparing for worldwide pandemics in June 2010. Despite efforts to develop plans, none is yet in place.
Vincent Yu/AP Photo
It's not a matter of if, but when, the next deadly pandemic will strike. Will the world be ready?
Winter bugs are impossible to escape.
Illness often strikes when you’re stressed at work, not sleeping properly, or you’ve been out partying a little too much. Here's why.
Symptoms of the flu generally develop more quickly and are more severe than the common cold.
Most adults get two to three colds per year, while the flu is less common but more severe. Here's how to stop spreading them to others.