Soluble trem-1 as a marker of severity or complications for a subject suffering from a coronavirus infection

An in vitro method for identifying a subject suffering from a disease caused by a coronavirus infection as being at risk of having or developing a severe form and/or a complication of the disease caused by a coronavirus infection, or at risk of death occurring after the coronavirus infection, said method comprising:

• measuring the level of soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) in a biological sample from the subject;
• and
• comparing the level of sTREM-1 measured in the biological sample from the subject to a reference value.

An in vitro method for determining the severity of a disease caused by a coronavirus infection in a subject, said method comprising:

• measuring the level of soluble triggering receptor expressed on myeloid cells-1 (sTREM-1) in a biological sample from the subject;
• and
• comparing the level of sTREM-1 measured in the biological sample from the subject to a reference value.