Seasonal Flu Epidemics: Why Do They Happen and Could this Year's Turn Into a Killer ?
The UK's 2026-27 influenza 'season' is now well underway and is taxing the NHS to its limits once again, as predicted. Adverse circumstances aside, this would be a good time to ask the question in the title i.e. is this years ‘flu virus any more potent or dangerous than the usual seasonal variety ? To answer this, we must first take a look at the causative virus and how it infects us and propagates itself with the aid of our own cells. What is Influenza ? The well-written and extensive wiki article tells us that Influenza is a highly contagious respiratory infection caused by various types of influenza virus, and infects us via the nose, throat, and sometimes the lungs. It's worth remembering that viruses, unlike bacteria, don't have their own biochemical 'machinery' with which to reproduce themselves, and so are reliant on us, and other organisms to provide this for them. They are exquisitely designed 'infection machines' composed of g...