Certificate of Publication - A dissymmetry in the figures re lated to the covid-19 pandemic in the world: what factors explain the difference between africa and the rest of the world?

This is to certify that the research article entitled:

A dissymmetry in the figures re lated to the covid-19 pandemic in the world: what factors explain the difference between africa and the rest of the world?

authored by:

Cheikh Faye, Cheikh Tidiane Wade, and Ibrahima Demba Dione

has been peer-reviewed and published in:

Journal of Ongoing Chemical Research

Volume: 5 Issue: 2 Pages: 61-70

DOI:

Publication Date: January 1, 1970

ISSN: 2651-4338