Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Relationship between serum immunoglobulin (IgG) and age in patients with tick-borne encephalitis. Patients were classified by their age at the time of admission to hospital and IgG titres were measured as described in Methods. (a) Patients developing fever only. (b) Patients developing central nervous system disease.
