South Ayrshire with Covid suppressed in three key areas.Troon, Prestwick West and Coylton have all recorded 0-2 positive test results between January 16 and January 22.Data released by the Scottish Government shows promising signs of a fightback against the virus with the test positivity rate falling by 1.9 per cent.Across the board, the case rate per 100,000 of the population has plunged since a fortnight ago.Between January 9 and January 15, the case rate per 100,000 was 232.7 with a test positivity rate of 9.6 per cent.But the latest figures show that South Ayrshire now have a combined case rate of 178.5 per 100,000 with a test positivity rate of 7.5 per cent.Cases however have spiked in the Heathfield neighbourhood of Ayr which is now.