To determine whether Ehrlichia chaffeensis exists in Japan, we used PCR to examine blood from sika deer in Nara, Japan. Of 117 deer, 36 (31%) were infected with E. chaffeensis. The E. chaffeensis 16S rRNA base and GroEL amino acid sequences from Japan were most closely related to those of E. chaffeensis Arkansas.
Nara Park, Nara Prefecture, Japan is a sightseeing destination in which people have the unique custom of feeding specialized cookies to the park’s free-ranging sika deer, Cervus nippon. Sika deer in Nara Park display a behavior akin to bowing to their human feeders. To characterize this bowing behavior and determine whether it is unique, we conducted… (More)