This is to certify that the research article entitled:
The Human Corona-virus Circulation in the USA, 2019-2020
authored by:
has been peer-reviewed and published in:
Journal of Public Health Research and Metrics
Volume: 1
Issue: 1
Pages: 1-3
DOI: 10.5281/zenodo.3735345
Publication Date: January 1, 1970
ISSN: