symptomless carrier

symptomless carrier

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Heavy mortality and production losses occur in exotic breeds and crossbreds of cattle due to susceptibility to the infection while comparatively native breeds have an inherent resistance to theileriosis and act as symptomless carrier for susceptible animals.
One in 31 Americans--10 million people--is a symptomless carrier of the defective CF gene.
Both Teresa and her husband, Jim, weren't aware they were each carriers of cystic fibrosis - one in 31 Americans is a symptomless carrier of the defective gene.
Cystic fibrosis affects approximately 30,000 children and adults in the United States, and one in 31 Americans -- more than 10 million people -- is an unknowing, symptomless carrier of the defective gene.
One in 31 Americans is an unknowing, symptomless carrier of the gene that causes Cystic Fibrosis.
coli infection in a public health due to the fact that some of NHPs were symptomless carriers, and they could transfer the parasite without any clinical signs of balantidiasis (Walker, 1913; Cockburn, 1948).
According to the Cystic Fibrosis Foundation web site, "More than 10 million Americans are symptomless carriers of the defective CF gene.
1) More than 10 million Americans are unknowing, symptomless carriers of the defective cystic fibrosis gene (Demsey, September 1999).
According to the Cystic Fibrosis Foundation, more than 10 million Americans are symptomless carriers of CF-causing gene mutations.
Inapparent infection of symptomless carriers is now generally accepted as the source for dissemination of many communicable diseases.
Since some can remain as symptomless carriers for up to 14 weeks, it is impossible for anyone to tell which pets are safe.
Second, widespread acceptance and planting of potato varieties that turned out to be symptomless carriers of PVY has allowed that disease to reemerge.