Background:

Procalcitonin (PCT) is a biomarker that has been proposed as a helpful tool in inflammatory Clinique cases specially patient with pulmonary bacterienne infection .

Materials and methods the investigatore had retrospectively reviewed the electronic records and lists of all 582 COVID-19 patients admitted on the ICU of Hospital university Mohammed VI , Oujda. Between 01 juin 2020 and 31juanary 2021 , and analyzed the relation of PCT value and mortality at 30 days until we can defined a cut off Procalcitonine to use as a marker of severity and high mortality .

Our objective is to assess the relationship between Procalcitonin and 30-day mortality in patients admitted to the resuscitation department of the Mohammed VI University Hospital Center, Oujda, Morocco, infected by the SARS COV 2 Virus .

Inclusion Criteria:

• Clinical diagnosis of SARS COV2 infection needed admission in ICU .

Exclusion Criteria:

• patient under 15 ans

-582 patient with the SARS COV 2 virus, in the Resuscitation Service of the Mohammed VI University Hospital Center oujda, MAroc