Prognostic Value of IgM in Covid-19 Infection

The Prognostic Value of IgM in Covid-19 Infection

The primary objective of the research is to study the relation between the presence and /or the anti SARS-Co-V-2 IgM level in an early stage of COVID-19 infection, and the evolution of the illness.

The secondary objective is to determinate in what manner response of IgM anti-SARS-Co-V-2 relates to patient's immunity statute, in regards to the other so-called humain "seasonal coronavirus".

Inclusion Criteria:

• Patients ≥ 18 years;
• Have been diagnosed positive of SARS-CoV-2 in the Virological Laboratory of Ambroise Paré hospital;
• Have been blood sampled between 1 day and 14 days from the first clinical syndromes, and their collections of serum or plasma are conserved and accessible;
• Affiliated to the social security scheme or entitled;
• Informed and non-opposed to participating to the study.

Exclusion Criteria:

• Opposition of patient to participation to the study;
• Foreign patients under french AME scheme.