Human case of Anaplasma phagocytophilum infection in Eastern Taiwan

Chang, Feng–Yee; Wang, Ruo-Yu; Yen, Tsai-Ying; Shu, Pei-Yun; Yang, Sung-Sen

doi:10.1016/j.jfma.2022.08.018

Cited by 1 publication

(1 citation statement)

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“…In Taiwan, numerous tick-borne pathogens have been detected in ticks and human patients, including Dabie bandavirus (Lin et al 2020), the Babesia microti protozoan (Shih et al 1997), and a wide range of bacterial organisms, such as Borrelia burgdorferi , Borrelia garinii , Borrelia afzelii (Chao et al 2010, 2011), Anaplasma phagocytophilum (Tsai et al 2019, Chang et al 2023), Ehrlichia chaffeensis (Peng et al 2019, Yen et al 2020), and several Rickettsia species (Kuo et al 2015, 2017, Yen et al 2021). Although ticks are frequently studied in Taiwan, most research has focused on ticks infesting dogs (e.g., Chao et al 2019) or rodents (e.g., Kuo et al 2011, 2015), with a few exceptions including studies on birds (Kuo et al 2017) or reptiles (e.g., Chao et al 2013, Kwak et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Surveillance of ticks on a tropical island with introduced ungulates

Ku,

Liao,

Nelson

et al. 2023

Journal of Medical Entomology

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The abundance of hard ticks can be determined by abiotic factors and the presence of suitable hosts. Since deer represent important hosts for many tick species, it is imperative to investigate whether deer introduction will increase the number of ticks, which can transmit a wide variety of pathogens. The sika deer (Cervus nippon) was introduced to Green Island, Taiwan, to supply velvet antlers, a traditional Chinese medicine. However, they were later released into the wild after a steep decline in antler prices. We conducted surveys for questing ticks, ticks on rodents and shrews, and the fecal pellet groups of ungulates (deer and goats) in 31 transects within 3 habitat types (forest, grassland, and roadside) on Green Island every 2 months in 2019. A total of 5,321 questing ticks were collected. All collected ticks were Haemaphysalis mageshimaensis Saito and Hoogstraal, a species first identified on an island with an abundance of sika deer. Additionally, 48 ticks collected from 126 trapped rodents and shrews were almost invariably Ixodes granulatus (except for 1 larval Haemaphysalis sp.). We did not find a positive correlation between the number of questing ticks and the number of fecal pellet groups, suggesting that factors other than ungulate abundance affect tick abundance. Nevertheless, large populations of questing ticks along some roadsides suggest a high risk of tick-borne diseases to tourists on this tropical island.

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