The main objective of the clinical study is to evaluate the efficacy of Zinc supplementation in non-critically ill Covid-19 patients..

The VIZIR study is a national, longitudinal, multi-centre study conducted over a 3-month follow-up period.

The priori hypothesis was that supplementation with zinc would reduce 30-day mortality and need to intensive care unit (ICU) admission among non critically ill patients with Covid-19.

The VIZIR study will be carried out in Tunisia at the level of consultations of general practitioners of both sectors : public and liberal, as well as in the emergency services of Monastir and Sousse.

Inclusion Criteria:

• Age 18 years and over .
• Sars-Cov2 infection Diagnosed with RT PCR , Rapid Test or Chest CT-Scan performed within the less than 5 days of symptoms.

Exclusion Criteria:

• Patients who received zinc before the start of the protocol.
• heart, liver, malignancies, or renal failure (estimated glomerular filtration rate ≤30 mL/min/1.73 m2);
• Mental disorders .
• Chronic Dialysis.
• Hospitalisation in ICU (use of respiratory or cardiovascular organ support (oxygen delivered by high-flow nasal cannula, noninvasive or invasive mechanical ventilation, or the use of vasopressors or inotropes). .
• Known hypersensitivity to zinc.
• unsuitability for oral administration

After initial medical evaluation, every patient who meet the inclusion criteria, will receive randomly either Zinc or Placebo as detailed above according to the predetermined randomization. Patients enrolled in the zinc group received 25 mg of zinc twice a day for 15 days. Patients enrolled in the placebo group received 1 capsule twice a day for 15 days.