ArticleEmerging infectious diseases2023
Associations of Anaplasma phagocytophilum Bacteria Variants in Ixodes scapularis Ticks and Humans, New York, USA.
Article in Emerging infectious diseases, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Article
- Article
- Impact of Human Granulocytic Anaplasmosis in Spain from 1997 to 2022.Tropical medicine and infectious disease · 2025Review
- An Alarming Public Health Problem: Ticks and Tick-Borne Pathogens in Urban Recreational Parks.China CDC weekly · 2025Article
- Serosurvey ofPathogens (Basel, Switzerland) · 2025Article
- Comparative ecological analysis and predictive modeling of tick-borne pathogens.Journal of medical entomology · 2025Article
- Host-pathogen associations inferred from bloodmeal analyses ofApplied and environmental microbiology · 2024Article
- Geographic variation in the distribution of Anaplasma phagocytophilum variants in host-seeking Ixodes scapularis nymphs and adults in the eastern United States elucidated using next generation sequencing.Ticks and tick-borne diseases · 2024Article
- Assessing the impact of areal unit selection and the modifiable areal unit problem on associative statistics between cases of tick-borne disease and entomological indices.Journal of medical entomology · 2024Article
- Prevalence of five human pathogens in host-seeking Ixodes scapularis and Ixodes pacificus by region, state, and county in the contiguous United States generated through national tick surveillance.Ticks and tick-borne diseases · 2023Article
- Comparison of acarological risk metrics derived from active and passive surveillance and their concordance with tick-borne disease incidence.Ticks and tick-borne diseases · 2023Article
- Host-pathogen associations revealed by genotyping of European strains of Anaplasma phagocytophilum to describe natural endemic cycles.Parasites & vectors · 2023Article
- Spatiotemporal distribution of Borrelia miyamotoi (Spirochaetales: Spirochaetaceae) and coinfection with other tick-borne pathogens in host-seeking Ixodes scapularis (Acari: Ixodidae) from New York State, USA.Journal of medical entomology · 2023Article
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Authors and funding
17 authors.
Funding
Abstract
Anaplasmosis, caused by the tickborne bacterium Anaplasma phagocytophilum, is an emerging public health threat in the United States. In the northeastern United States, the blacklegged tick (Ixodes scapularis) transmits the human pathogenic genetic variant of A. phagocytophilum (Ap-ha) and a nonpathogenic variant (Ap-V1). New York has recently experienced a rapid and geographically focused increase in cases of anaplasmosis. We analyzed A. phagocytophilum-infected I. scapularis ticks collected across New York during 2008-2020 to differentiate between variants and calculate an entomological risk index (ERI) for each. Ap-ha ERI varied between regions and increased in all regions during the final years of the study. Space-time scan analyses detected expanding clusters of Ap-ha located within documented anaplasmosis hotspots. Ap-ha ERI was more positively correlated with anaplasmosis incidence than non-genotyped A. phagocytophilum ERI. Our findings help elucidate the relationship between the spatial ecology of A. phagocytophilum variants and anaplasmosis.
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