C. parvum (C. hominis) is distributed worldwide. Prevalence rates in the human population range from 1% to 2% in developed countries and 6% to 60% in developing countries. C. parvum is a zoonotic disease, and numerous animals have been shown to carry infections.[9] The greatest potential for zoonotic transmission to humans is from cattle. Estimates of the frequencies of contamination of surface waters with Cryptosporidium are from 20% to 96% in North America. Their levels in surface waters are very low, ranging from 0.5 to 5000 organisms in 100 L water.[7] However, these low levels are still a risk for infection as it has been estimated that as few as 10 oocysts can establish infection.[9]

Getting Started With Dumbbells

Getting Started With Dumbbells

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.

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