Lisa Whelchel Lisa Whelchel

Survivor: Phillippines' Lisa Whelchel is facing a problem no alliance will help her overcome: West Nile virus.

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The former Facts of Life star tweeted the bad news on Monday: "Dr. just called with blood test results...I have West Nile. Ugh. I'm fine, just tired. Takes a year to recover." Whelchel did not indicate whether her diagnosis is related to her time on Survivor, which finished filming in April.Whelchel's followers were quick to share their support of the actress, who was "very touched by all the sweet tweets." The actress is keeping up a positive attitude throughout the ordeal, telling her fans, "I'm feeling fine & expecting a full recovery. So grateful for you. Thanks!"