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The molecular clone of feline foamy virus (pCF-7) and FeFAB cell for FeFAB assay were kind gifts from Dr. Martin Lochelt, German Cancer Research Center, Germany.

The molecular clone of feline foamy virus (pCF-7) and FeFAB cells for FeFAB assay were kind gifts from Dr Martin Löchelt, German Cancer Research Center, Germany.

FeFAB cells (a kind gift from Dr Martin Löchelt, Germany) are modified CRFK cells that are used for FFV infection experiments. FeFAB cells express β-galactosidase under the control of the FFV LTR, which is trans。

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