Effect of bee products on COVID-19

INTERVENTION: Intervention 1: Control group: Standared treatment for COVID‐19 according to hospital protocol for admitted patients. Intervention 2: Intervention group: The case group will be given three products including N‐chromosome royal jelly (Caspian Apiaries Company), propolis (Caspian Apiaries Company), and a mixed honey (Caspian Apiaries Company). They should use one teaspoon of each of them, twice a day with water or milk or fruit juice. CONDITION: COVID‐19 Disease. ; COVID‐19 U07.2 PRIMARY OUTCOME: Anti SARS‐Cov‐2 IgG Level. Timepoint: one month after intervention. Method of measurement: blood sample. C‐reactive protein (CRP) level. Timepoint: lab test before intervention and 3, and 7 days after intervention. Method of measurement: lab data assessment by blood sample. Dyspnea grade. Timepoint: Dyspnea grade before intervention and daily after starting the intervention. Method of measurement: dyspnea grading according to New York heart association classification. Interleukin‐6 (IL‐6) Level. Timepoint: lab test before intervention and 3, and 7 days after intervention. Method of measurement: lab data assessment by blood sample. Neutrophil to Lymphocyte count. Timepoint: lab test before intervention and 3, and 7 days after intervention. Method of measurement: lab data assessment by blood sample. White blood cells (WBC) count. Timepoint: lab test before intervention and 3, and 7 days after intervention. Method of measurement: lab data assessment by blood sample. SECONDARY OUTCOME: Duration of hospital stay. Timepoint: duration of hospitalisation. Method of measurement: Hospital records. INCLUSION CRITERIA: age between 18 to 90 year old without any psychological problem drug consumption compliance hospital admission during recent 48 hours