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.
Image Point Fr/Shutterstock
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.
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Snot very good to be ill. But here's how your body mounts its defence against the dreaded lurgi.
Women were at the forefront of managing the influenza pandemic.
AUSTRALIAN WAR MEMORIAL
We commemorate the centenary of the end of WW1, but victims of a more deadly threat are rarely remembered. Let's change that.
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.
Both make you sneeze and give you a runny nose.
You can tell the difference by the colour of your snot.
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.
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.
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.
Many people think green snot means you are really sick, or that you need antibiotics. Not true. Green snot is actually a sign that our immune system is working and that we are getting better.
There is no live virus in a flu vaccine. So you can’t catch the flu.
Pregnant women should get the flu shot to protect themselves, and their child for the first 6 months of life.
Seasonal influenza is a serious public health problem.
Influenza is an important cause of severe respiratory illness in Kenya especially among children below two years of age.
It can be difficult to find records from epidemics long past.
U.S. National Library of Medicine
One hundred years after a strange and devastating pandemic, researchers comb for clues in dusty libraries, church records and long- forgotten books.
More women than men were left standing after the war and pandemic.
Library of Congress
With many men 'missing' from the population in the aftermath of the 1918 flu, women stepped into public roles that hadn't previously been open to them.
Face masks are a common sight in Asia. Why?
Whether or not masks can protect against invading or escaping bugs depends on the type of mask and material.
Could the yearly flu shot become a thing of the past?
AP Photo/Darron Cummings, File
Flu virus mutates so quickly that one year's vaccine won't work on the next year's common strains. But rational design – a new way to create vaccines – might pave the way for more lasting solutions.
Once a respiratory virus like influenza has entered your home or workplace, it is wise to treat the space like a hospital and practice infection prevention and control.
From face-touching to virus-contaminated electronic devices, a scientist offers some tips on eradicating the flu virus from your home.