BUZZ-Australia's Sonic Healthcare falls, Alberta terminates contract
** Sonic Healthcare shares fall as much as 2.5 pct to lowest since June 12
** Says Alberta's new govt terminates laboratory services contract, for which Sonic was chosen as preferred proponent
** Sonic shares top percentage loser on the S&P/ASX 200 Health Care (GIC) (Reuters Messaging: firstname.lastname@example.org)
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