Ticks in medical and parasitological research: Globally emerging risks require appropriate scientific awareness and action.

Background: The spread of ticks has also led to the emergence of regional, previously unknown tick-borne diseases (TBDs) that pose an immediate threat to public health systems worldwide. People who spend time or work outdoors are at risk without closer awareness of regional exposures. That is especially true for tourists, who very easily come into contact with ticks and get bitten while hiking and climbing. A regional lack of surveillance, lack of awareness, lack of scientific background, and misdiagnosis makes it hard to assess the actual threat properly.
Methods: Therefore, this bibliometric study aims to assess the global research on ticks and some TBDs. Geographical and temporal patterns are elaborated under epidemiological and socioeconomic aspects. That will provide a factual basis for targeted action at the scientific, societal, and policy levels against the growing threat associated with ticks.
Results: The USA and Brazil can be identified as the key players in tick research, followed by Russia and some Central European countries. The socioeconomic analysis points to epidemiologically relevant regions, as also shown by comparison with the TBD analysis. A correlation between countries' gross domestic product and publication performance was found. Lack of scientific resources limits the necessary research and surveillance programs.
Conclusions: Many regions that are popular travel destinations are threatened by new tick species and thus new health risks. Therefore, outdoor activities in many locations may pose an unknown hazard that requires regionally differentiated scientific investigation and better, globally networked research strategies.
Competing Interests: Declaration of competing interest The authors have declared no conflicts of interest.
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