Which area of the world was hardest hit by the bubonic plague? asia europe north america sub-saharan africa

If you are talking about the bubonic plague as in the black death from the 14th century then that would be Europe where up to 60% of the people were affected by the disease. However, if you mean the bubonic plague that is around currently then it is most commonly found in Africa.

Idont know i wonder tthough seems like it will be intristing