Five-month-old lambs were simultaneously infected with different doses of two 16S rRNA genetic variants of Anaplasma phagocytophilum and thereafter followed for clinical observation and blood sampling. The result of the study indicates a unidirectional suppression of genotypes in infected lambs, at least during a certain period of an A. phagocytophilum infection.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1317076PMC
http://dx.doi.org/10.1128/CDLI.12.12.1448-1450.2005DOI Listing

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