Lisa Whelchel says she expects to make a full recovery from West Nile virus.

The 49-year-old former actress and "Survivor: Philippines" contestant revealed her medical condition via Twitter Tuesday.

"Dr. just called with blood test results ... I have West Nile. Ugh. I'm fine, just tired. Takes a year to recover," the one-time "Facts of Life" star wrote, adding she expects to make "a full recovery" and thanking fans for their support. said it is unclear whether her condition is related to her stint on "Survivor," which ended in April.