TY - GENERIC DO - 10.20944/preprints202312.1611.v1 UR - http://dx.doi.org/10.20944/preprints202312.1611.v1 TI - Comparative Analysis of COVID-19 Severity and Mortality Among Vaccinated and Unvaccinated Individuals During the Delta Variant Surge in a Tertiary Care Center T2 - Preprints AU - Hasani, Fatemeh AU - Norouzi, Zahra AU - Roshandel, Gholamreza AU - Norouzi, Alireza PY - 2023 DA - 2023/12/21 PB - Preprints