Distinct Geographic Distribution of Candidatus Rickettsia jingxinensis and Rickettsia heilongjiangensis in Haemaphysalis longicornis Ticks from Northeast and East-Central China

Key Points

• This research aims to examine the geographical distribution of Rickettsia species in tick populations across different regions of China.
• Conducted surveillance of Haemaphysalis longicornis ticks in Northeast and East-Central China
• Identified Rickettsia species present in tick populations
• Analyzed the geographical distribution patterns of these species
• Confirmed presence of Candidatus Rickettsia jingxinensis in Northeast China
• Detected Rickettsia heilongjiangensis in Central and Eastern China
• Demonstrated distinct geographical patterns of tick-borne pathogens in H. longicornis ticks