It's less able to spread than COVID so adults get the flu about every 5 years[0].
I'm sure you've heard of Spanish flu by now, but may not have heard of Encephalitis Lethargica [1] that followed it.
Luckily nothing like that has happened again and CFS is tame in comparison. But the flu still has surprises in store for us.
[0] https://journals.plos.org/plosbiology/article?id=10.1371/jou...
[1] https://en.m.wikipedia.org/wiki/Encephalitis_lethargica
It's less able to spread than COVID so adults get the flu about every 5 years[0].
I'm sure you've heard of Spanish flu by now, but may not have heard of Encephalitis Lethargica [1] that followed it.
Luckily nothing like that has happened again and CFS is tame in comparison. But the flu still has surprises in store for us.
[0] https://journals.plos.org/plosbiology/article?id=10.1371/jou...
[1] https://en.m.wikipedia.org/wiki/Encephalitis_lethargica