THE QUESTION.
Exponential is the most feared word to describe a pandemic since it characterizes a movement that grows all the more rapidly as it grows.
However, while, for several weeks, the epidemic has started again in several regions of the world, the World Health Organization (WHO) on Tuesday used this qualifier of "
exponential
" to describe the present trajectory of the Covid pandemic -19.
To discover
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“
We are currently at a critical point in the pandemic.
The trajectory of this pandemic is expanding rapidly.
It is growing exponentially,
”declared Maria Van Kerkhove, WHO technical manager for the fight against Covid-19, at a press conference.
Is this really the case when we look at the epidemic curves?
CHECKS
.
The best-known example of an exponential phenomenon is the problem of the chessboard and the grains of rice.
You put a grain
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