Sensitivity and specificity of the detection tools for W. bancrofti are crucial. At present, the PCR protocol has been introduced for diagnosis of parasitic infection in human blood because it is rapid, reproducible, and has a high specificity and sensitivity. It can diminish the time consumed in detection of parasites and requires relatively few amounts of blood, and thus it is not only suitable for the screening of parasitic infection in a large blood sample numbers, but also will be beneficial for elucidation of the possible vectors of the multiple infection. However, the cost of PCR is still high and it requires sophisticated equipment that may be not suitable for manipulation in the fieldwork.
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The use of dumbbells gives you a much more comprehensive strengthening effect because the workout engages your stabilizer muscles, in addition to the muscle you may be pin-pointing. Without all of the belts and artificial stabilizers of a machine, you also engage your core muscles, which are your body's natural stabilizers.