Influenza viruses that exist in nature and affect wild birds shuffle their genes about all the time, creating new viruses with different genetic combinations. In this way a virus was created that in 1918…
Ginseng, the root of the plant Panax ginseng, is one of the most commonly used herbal medicines and is often sold as an over-the-counter remedy for fatigue. Although it has been used by humans for thousands…
Adults usually get around three colds per year.
Sergio Alvarez
Most people who think they have the flu, don’t. And some people who think they have a cold, really have the flu. So what is the difference between a cold and the flu? And does it matter? A cold is a mild…
Antivirals Tamiflu and Relenza were stockpiled by governments across the world in response to the 2009 swine flu pandemic.
Andrew Wales/Flickr
Antiviral drugs are largely ineffective for reducing hospital admissions and complications from influenza, and come with serious side-effects, according to a research review published by the Cochrane Collaboration…
Influenza infection is very common – about one in five of us are infected each year. But, surprisingly, the majority of infections don’t cause any illness. In a study published in The Lancet Respiratory…
H1N1, one of the flu strains circulating this season, disproportionately affects people aged 24 to 64 years.
fractalworld/Flickr
Influenza affects up to 15% of adults and 30% of children each flu season and early indications suggest we could be facing a severe season. The 2014 seasonal influenza vaccination is available from today…
That crystal ball we ordered? New flu model helps predict future strains.
April Mo
Influenza viruses rapidly evolve in shape, making it hard to develop protective vaccines against them. Despite a great deal of study, scientists have been at a loss to forecast their evolution in any detail…
Around 20,000 chickens were culled in Hong Kong last week after the virus was detected in birds imported from mainland China.
Alex Hofford/AAP Image
Australia’s federal Department of Health has advised general practitioners to be on the lookout for potential cases of the H7N9 strain of influenza A, or bird flu, following a spate of deaths in China…
Lack of exposure to a particular influenza strain means you won’t have had a chance to build up complete immunity. And if the strain spreads easily between people and there is little immunity in communities…
Twitter has become the latest online tool to be used to monitor the spread of disease. Researchers are looking at whether health providers can identify the locale of a disease outbreak by monitoring the…
Unnecessary anxiety is a media health risk.
Vincent Yu/AP/PA
Kate Mandeville, London School of Hygiene & Tropical Medicine
When new health threats emerge, the media is often accused of hyping up the risk to the public. But we tend to believe that health experts provide rational, independent viewpoints on the real risks posed…
Adam Kucharski, London School of Hygiene & Tropical Medicine
When people talk about ‘big data’, there is an oft-quoted example: a proposed public health tool called Google Flu Trends. It has become something of a pin-up for the big data movement, but it might not…
After standing in line for the latest year’s flu jab one might wonder why all this in necessary. The answer lies in the flu virus itself and its ability to rapidly evolve and avoid the human immune system…
The dreaded stomach flu strikes again? Not likely.
RLHyde
Nausea, vomiting, tummy pain and cramps, watery diarrhoea … We’ve all had acute gastroenteritis at some stage. As a general practitioner, my patients usually refer to their condition in more colloquial…
A lot of the illness we think of being caused by the ‘flu’ is actually due to other viruses.
Kim Keegan
Facts about Flu - Perhaps the misery you feel when ill in winter isn’t the fault of the much-maligned influenza virus after all. RSV, hMPV, CoV… these may all sound like random acronyms, but they are influenza’s…
Not being able to give children the locally-manufactured vaccine leaves a hole in our pandemic preparations.
Julian Smith/AAP
Facts about Flu - We often hear of an expected pandemic and had a scare in 2009 with the swine flu, but how well are we prepared? Although no longer considered an immediate risk, the recent outbreak of…
One of three major types of the flu viruses that infect people, influenza A ranges from H1 to H17 and from N1 to N9.
Señor Codo
Facts about Flu - Ever wondered what flu classifications mean? Read on. The pandemic influenza strain, or swine flu, that spread globally in 2009 was referred to as H1N1 and the new bird flu currently…
Tamiflu was stockpiled amid flu outbreaks and scares.
Rui Vieira/PA
Are you worried about how decisions involving public money are made? You should be. Last week, the National Audit Office disclosed that the Department of Health spent £424 million on the anti-flu drug…
The flu is not a disease, it is what’s known as a syndrome – a series of signs and symptoms caused by a variety of agents.
sunnyUK/Flickr
Welcome to Facts about Flu - Our week-long series of articles about influenza. Ever wonder why the flu, coughs and colds that you suffered from in your youth have become a monster killer that rolls out…