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.
Serologic diagnosis using indirect IFA of patients infected with rickettsioses
| No. patients | PCR | IFA R. felis | IFA R. rickettsii | IFA R. typhi | IFA R. akari | |
|---|---|---|---|---|---|---|
| R. felis | 4 | +4/4 | ND | +4/4 titers: 1:64–1:128 | Negative 4/4 | +1/4 titers: 1:32–1:64 |
| R. rickettsii | 7 | +6/7 | ND | +7/7 titers: 1:128–1:1024 | Negative 7/7 | +7/7 titers: 1:64–1:128 |
| R. akari | 4 | ND | ND | +3/4 titers: 1:64–1:128 | Negative 4/4 | +4/4 titers: 1:64–1:512 |
| R. typhi | 3 | ND | ND | Negative 3/3 | +3/3 titers: 1:64–1:512 | Negative 3/3 |
ND = not determined.
