Flu away: Scientists baffled at disappearance of influenza… but is it really gone, or just masked by Covid-19?
There has been a 98% plummet in flu infections this year, dispelling fears of a Covid and flu ‘twin-demic’ about which many had warned. Experts say we can thank masks and social distancing. But does this really add up?
Although there is no mass testing for flu as there is for Covid, the WHO says that surveillance of data from around the world shows flu rates collapsing everywhere. Australia essentially ‘skipped’ their flu season this year, with not a single case reported since July (their peak). In fact, flu has more or less vanished throughout the Southern Hemisphere, and early indicators suggest it will follow suit north of the equator. What can explain this unprecedented decline?
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Where did it go?
To my mind there are three possibilities.
The first is that it only seems like the flu has disappeared because doctors and scientists have been wrongly classing other respiratory diseases as Covid. Please note that the boffins are already treating this suggestion as something akin to flat-Earth theory.
The second is that Covid has ‘crowded out’ the flu. It does seem to be the case that you cannot be sick with two viruses at once. A recent study from Yale University found that of 13,000 patients admitted to in a major hospital with respiratory diseases, practically no one ever had both a cold and the flu at the same time. In fact, lung tissue that had been previously exposed to the cold virus was immune to the flu virus.
But the scientists say that this solution doesn’t add up: no more than a fifth of the population has been exposed to Covid, and so everyone else should be fertile ground for the flu. But if they are wrong, and Covid is actually far more widespread than the scientists think, ‘virus crowding’ could be contributing to flu’s downfall. (The question is why Covid would have won this battle so completely, for there to be essentially zero flu cases and millions of Covid ones – surely the flu would have gotten to some people before Covid did?)
The third possibility is the scientists’ explanation. Before I give it, please note that either of the first two possibilities, if correct, would render ridiculous the entire response to Covid, not least because it would mean Covid is far less dangerous than has been widely asserted.
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The verdict is in
The scientific establishment is quickly forming ranks behind the theory that the flu has gone away because of Covid restrictions – especially masks, social distancing and lockdowns. They “overwhelmingly agree” that this is so; their certainty is remarkable at this early stage.
But why would these measures have worked so unintentionally well for flu, which has been with us for millennia, but Covid cases are still skyrocketing? Do masks let one particle through and stop another?
The proponents of this theory have an explanation. They claim that people with Covid are more contagious than those with flu. It has a longer ‘incubation period’ than flu does, and its ‘R rate’ is three times higher than that of flu. But even if all of these estimates were right, there is still the unanswered question of why flu would have been eradicated so completely.
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In my opinion, this hand-waving explanation might just be the most awesome act of cognitive dissonance of this entire saga. Experts are claiming, with a straight face, that a laxly enforced hodgepodge of restrictions, which varies wildly between countries and regions, has overnight eradicated an ancient scourge of humanity from the face of the Earth. And in the next breath, they warn that the incidence of another identically transmitted virus is through the roof.
Much more likely in my opinion is that the flu has been confused for Covid in the vast majority of cases. Is it really so hard to believe that flu sufferers could have been confused for Covid cases? After all, we know that lung cancer patients were. In any case, and irrespective of the explanation, one wonders if the flu’s disappearing act means that the largest-ever flu vaccine rollout slated for this winter will be cancelled. Somehow, I think not.
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