Testing rates for COVID-19 in Ararat have steadily increased this week, the East Grampians Health Service chief executive said.
Andrew Freeman said testing rates were growing since the outbreak of coronavirus cases in Melbourne.
"We anticipate undertaking about 200 tests this week," he said.
"This equates to about 30 tests per day."
Mr Freeman was unable to provide details on long term testing rates.
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Earlier this week, a spokesperson from Wimmera Base Hospital said it was experiencing its own jump in residents needing to be tested.
"This week we've seen up to 30 people each day," the spokesperson said.
"Previously we saw five to 12 people before this weekend's news of more COVID-19 cases.
"Testing has definitely ramped up."
Spokespeople from West Wimmera Health Service and Stawell Regional Health said testing rates have remained steady, but declined to give any figures.
More than 716,000 test results have been conducted state-wide since January 1, 2020.
There are no active cases of COVID-19 in the Wimmera or Grampians; however, there are nine historical cases to date.
Northern Grampians has recorded three cases, as has the Horsham Rural City Council.
Meanwhile there has only been on cases each in West Wimmera, Ararat and Yarriambiack.
There have been no recorded cases in the Hindmarsh Shire.
The latest data from the Department of Health and Human Services showed there are 1917 cases in Victoria, an increase of 33 from Wednesday.
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