Study of the Innate Immune Response to the Acute Phase of Human Leptospirosis - IMMUNOLEPTO

Inclusion Criteria

• •Age ≥ 4 years;
• •Weight ≥ 11 kg;
• •with ongoing symptoms compatible with a clinical diagnosis of leptospirosis.
• •AND having a diagnosis of leptospirosis confirmed according to standard care procedures: preferably by Polymerase Chain Reaction (PCR) (blood or urine) or, failing that, serology indicating a recent infection (positive Immunoglobulin M (IgM) or Microscopic Agglutination Test (MAT) technique with titer \>1/400 for a pathogenic serogroup)
• •AND affiliated to a Social Security scheme