Elgizar Sabirov, who headed the Senate's defense committee, replaces Murat Sharifkhodjev.
Addressing the Senate, Uzbek President Islam Karimov praised Sharifkhodjev's work, but said ill-health was preventing him from continuing.
The Senate is due today to discuss ratification of a union treaty with Russia and approval of resolutions on Uzbekistan joining the Eurasian Economic Community.
(ITAR-TASS)
RFE/RL Central Asia Report
RFE/RL Central Asia Report
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