However, these techniques have important biological cost requiring long periods of treatment and are more sensitive to technical errors [2, 3].
Their implementation however would involve a much higher capital cost, requiring either retrofitting or replacement of existing bogies.
It is important to note that efforts to successfully build security into utility modifications and upgrades at private water companies have come with a high cost, requiring both financial and human capital in order to implement necessary security measures.
The intervention is integrated into existing services, and is relatively low cost, requiring few specialist resources.
The sensitivity and general applicability of metaMix comes at an increased computational cost, requiring access to a multi-core computer to run efficiently.
However, the treatment is complicated and of high cost, requiring a minimum of two antibiotics in combination with gastric acid inhibitors, which often causes nausea, antibiotic resistance, recurrence and other adverse effects [ 5- 7].
