Phlebovirus diversity in ticks from livestock in arid ecologies in Kenya

Ogola, Edwin O.; Kopp, Anne; Bastos, Armanda D.S.; Slothouwer, Inga; Omoga, Dorcus C A; Osalla, Josephine; Sang, Rosemary; Torto, Baldwyn; Junglen, Sandra; Tchouassi, David P.

doi:10.1016/j.ttbdis.2022.102087

Cited by 3 publications

(1 citation statement)

References 46 publications

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“…H. dromedarii has not been reported in other wildlife ecologies and nonarid and semi-arid lands (ASALs) in Kenya [30][31][32][33] . However, Ogola et al 34 demonstrated the importance of host availability despite optimum climatic conditions in an arid region where H. dromedarii was not found due to the absence of camels.…”

Section: Discussionmentioning

confidence: 99%

Exploring the dynamic ticks-camel-pathogens interaction

Makwatta,

Ndegwa,

Oyieke

et al. 2024

Preprint

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The ability of ticks to interact and adapt to different ecologies and hosts determines their vectorial competence for various pathogens, however ticks-livestock-pathogens interaction studies are limited. With our ticks-hosts-pathogens interface studies, we found 14 species of ticks feeding on various livestock. Ticks showed a strong preference for one-humped camels (Camelus dromedarius). The camel nostril was the most preferred predilection site. The most prevalent tick species on camels was Hyalomma rufipes. We found two novel Amblyomma gemma variants which are distinct both morphologically and genetically from previously described Amblyomma gemma. The signature odors from camel breath and body were attractive to H. rufipes; demonstrating ticks utilize camel-derived metabolites to find their host. Our research shows that H. rufipes and camel hosts have unique and shared pathogens showing H. rufipes’ vector and camel’s reservoir host qualities. Our study unravels the dynamic interactions between ticks, pathogens, and camels that all influence the likelihood of pathogen adaptation and transmission dynamics.

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Section: Discussionmentioning

confidence: 99%

Exploring the dynamic ticks-camel-pathogens interaction

Makwatta,

Ndegwa,

Oyieke

et al. 2024

Preprint

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Serologic evidence of human exposure to the severe fever with thrombocytopenia syndrome virus and associated viruses in Kenya

Zohaib,

Zhang,

Agwanda

et al. 2024

Infectious Diseases

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Tick-Borne Diseases in Sub-Saharan Africa: A Systematic Review of Pathogens, Research Focus, and Implications for Public Health

Djiman,

Biguezoton,

Saegerman

2024

Pathogens

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Sub-Saharan Africa, with its hot and humid climate, is a conducive zone for tick proliferation. These vectors pose a major challenge to both animal and human health in the region. However, despite the relevance of emerging diseases and evidence of tick-borne disease emergence, very few studies have been dedicated to investigating zoonotic pathogens transmitted by ticks in this area. To raise awareness of the risks of tick-borne zoonotic diseases in sub-Saharan Africa, and to define a direction for future research, this systematic review considers the trends of research on tick-borne bacteria, parasites, and viruses from 2012 to 2023, aiming to highlight the circulation of these pathogens in ticks, cattle, sheep, goats, and humans. For this purpose, three international databases were screened to select 159 papers fitting designed inclusion criteria and used for qualitative analyses. Analysis of these studies revealed a high diversity of tick-borne pathogens in sub-Saharan Africa, with a total of 37 bacterial species, 27 parasite species, and 14 viruses identified. Among these, 27% were zoonotic pathogens, yet only 11 studies investigated their presence in humans. Furthermore, there is growing interest in the investigation of bacteria and parasites in both ticks and ruminants. However, research into viruses is limited and has only received notable interest from 2021 onwards. While studies on the detection of bacteria, including those of medical interest, have focused on ticks, little consideration has been given to these vectors in studies of parasites circulation. Regarding the limited focus on zoonotic pathogens transmitted by ticks, particularly in humans, despite documented cases of emerging zoonoses and the notable 27% proportion reported, further efforts should be made to fill these gaps. Future studies should prioritize the investigation of zoonotic pathogens, especially viruses, which represent the primary emerging threats, by adopting a One Health approach. This will enhance the understanding of their circulation and impact on both human and animal health. In addition, more attention should be given to the risk factors/drivers associated to their emergence as well as the perception of the population at risk of infection from these zoonotic pathogens.

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Phlebovirus diversity in ticks from livestock in arid ecologies in Kenya

Cited by 3 publications

References 46 publications

Exploring the dynamic ticks-camel-pathogens interaction

Exploring the dynamic ticks-camel-pathogens interaction

Serologic evidence of human exposure to the severe fever with thrombocytopenia syndrome virus and associated viruses in Kenya

Tick-Borne Diseases in Sub-Saharan Africa: A Systematic Review of Pathogens, Research Focus, and Implications for Public Health

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