Sentences with phrase «genetic immunity to this disease»

Not exact matches

Because people exposed to Ebola show phenotypic variability in susceptibility to infection and disease severity, it is likely that human genetic variation contributes to individual immunity and infectivity and that host genetic differences are one factor among many that interact to influence the infection.

A new study led by researchers at the Swedish Museum of Natural History shows that prior to the extinction, mammoths lost genetic diversity at a functionally - important immunity gene, which possibly made them more susceptible to disease.

There is no evidence in Marek's disease that vaccine breakthrough by more virulent strains has anything to do with overcoming strain - specific immunity (e.g., epitope evolution); genetic and immunological comparisons of strains varying in virulence suggest that candidate virulence determinants are associated with host — cell interactions and viral replication, not antigens [19].

These cats have inherited a mix of genes from their mixed parentage, and some vets even find that street cats are more robust in their immunity and are less susceptible to genetic diseases.

He argues convincingly that their numbers were far higher than previously thought; that, contrary to the Rousseauian picture of the isolated «noble savage» roaming the virgin forests with bow and arrow, the Indians practiced a great deal of intensive land and forest management, both in the temperate forests of North America, and in the tropical ones of Central America and Amazonia; and that, the genetic homogeneity of the Indians made them almost universally vulnerable to European diseases, particularly those that originated with the livestock that the Europeans brought with them (and to which the Europeans had relative immunity).