@article{202303.0547, doi = {10.20944/preprints202303.0547.v1}, url = {https://doi.org/10.20944/preprints202303.0547.v1}, year = 2023, month = {March}, publisher = {Preprints}, author = {Imad A. Moosa and Ibrahim N. Khatatbeh}, title = {Robust and Fragile Determinants of the Severity of Covid-19 in Developing and Developed Countries: A Comparative Analysis}, journal = {Preprints} }