NIGERIA. The COVID conundrum. Anyone like to have a go at explaining why this African country of 206M people and only 4.4% fully vaxxed has zero deaths and only 87 cases?

or consider this from the Canadian government:

I am 77 years old, like to exercise and am intensely interested in the effect of food on the body. I am running an N=1 experiment since Jan 2018.
NIGERIA. The COVID conundrum. Anyone like to have a go at explaining why this African country of 206M people and only 4.4% fully vaxxed has zero deaths and only 87 cases?
or consider this from the Canadian government: