El Tel
I have mentioned that in several posts but people just choose to ignore it as it doesn't fit in with their viewpoint.
El Tel
Most probably that and social distancing. Same in Germany. A few weeks ago the German RKI ( the health authority to which communicable diseases are to be reported to) announced that not a single case of flu had been reported to them this season.
They skipped some letters to avoid confusion in various languages, in much the same way that certain letters of the alphabet are skipped on number plates.