rickettsias



rickettsias defined in 1951 year

rickettsias - rickettsias;
rickettsias - Group of minute rod-shaped bacteria, obligate intra-cellular parasites of certain arthropods, particularly of fleas, lice and ticks. Do not appear to harm arthropod hosts but can be transmitted via bites to man and other mammals in which they may cause severe, often fatal disease, e.g. in man, typhus.

near rickettsias in Knolik


richardsons skuahome
letter "R"
start from "RI"
ring-ouzel

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