are diagnosed as Covid-19 patients by positive PCR test or by CT Scan Exclusion criteria:pregnant and (...) with Covid-19 that will be Recipient of standard national protocol drugs + Vitamin C 500mg Control Group: Patients with Covid-19 that will be Recipient of standard national protocol drugs + placebo of

Study aim: The effect of naproxen on the healing process of COVID-19 patients Design: This double (...) : Inclusion criteria: Over 15 years of age, chest CT scan confirming covid-19, clinical symptoms of covid-19, confirmation of covid-19 by an infectious disease physician, having informed consent to participate in the

clinical trial. The study population includes all patients with COVID-19 referring to Abadan hospitals. All (...) severe symptoms of COVID-19 who were admitted to the infectious ward of Ayatollah Taleghani Hospital in (...) COVID-19 with severe symptoms and positive RT-PCR assay of nasopharyngeal samples Exclusion criteria

Ayatollah Taleghani Hospital in Abadan This study was conducted on 100 patients with COVID-19 admitted to (...) Study aim: Comparison of the administration of vitamin D3 and N acetylcysteine tablets in COVID-19 (...) . Participants/Inclusion and exclusion criteria: Inclusion criteria: positive COVID-19 with severe symptoms

inflammatory biomarkers in patients with COVID-19 Design: Clinical trial with control group, with parallel (...) performed on 88 patients with Covid-19 referring to the clinic of Razi Hospital in Ahvaz. Patients are (...) . Participants/Inclusion and exclusion criteria: Patients aged 18 to 65 years Laboratory confirmation of Covid-19