Migratory Birds, Ticks, and Crimean-Congo Hemorrhagic Fever Virus

Lindeborg, Mats; Barboutis, Christos; Ehrenborg, Christian; Fransson, Thord; Jaenson, Thomas G. T.; Lindgren, Per-Eric; Lundkvist, Åke; Nyström, Fredrik; Salaneck, Erik; Waldenström, Jonas; Olsén, Björn

doi:10.3201/eid1812.120718

Cited by 88 publications

(73 citation statements)

References 9 publications

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“…1,4,7,9 It is known that birds can act as long-distance carriers for ticks and are important in disseminating disease. [21][22][23][24] Migratory bird routes cross China, South Korea, and Japan via the East Asia/Australasia Flyway, which extends from Arctic Russia and North America to the southern limits of Australia and New Zealand and encompasses large parts of east Asia ( Figure 3B). 12 Bird species using the East Asia/Australasia Flyway route include Z. aurea, T. hortulorum, Halcyon FIGURE 2.…”

Section: Discussionmentioning

confidence: 99%

“…(Figures 1 and 3A, B). 14,15,[21][22][23][24] This transmission mechanism is not unique to SFTSV. Migratory birds have long acted as long-distance carriers of ticks containing various human pathogens.…”

Section: Discussionmentioning

confidence: 99%

“…Migratory birds have long acted as long-distance carriers of ticks containing various human pathogens. [21][22][23][24] Several studies have shown that migratory birds play a major role in the dispersal of Crimean-Congo hemorrhagic fever virus (CCHFV). [21][22][23][24] CCHFV-carrying ticks belonging to the Hyalomma marginatum complex, also known as the Mediterranean Hyalomma, are common in large parts of the African and Eurasian continents.…”

Section: Discussionmentioning

confidence: 99%

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Phylogenetic Analysis of Severe Fever with Thrombocytopenia Syndrome Virus in South Korea and Migratory Bird Routes Between China, South Korea, and Japan

Yun¹,

Heo²,

Kim³

et al. 2015

The American Society of Tropical Medicine and Hygiene

105

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Abstract. Severe fever with thrombocytopenia syndrome (SFTS) is a tick-borne viral disease. The SFTS virus (SFTSV) has been detected in the Haemaphysalis longicornis, which acts as a transmission host between animals and humans. SFTSV was first confirmed in China in 2009 and has also been circulating in Japan and South Korea. However, it is not known if a genetic connection exists between the viruses in these regions and, if so, how SFTSV is transmitted across China, South Korea, and Japan. We therefore hypothesize that the SFTSV in South Korea share common phylogenetic origins with samples from China and Japan. Further, we postulate that migratory birds, well-known carriers of the tick H. longicornis, are a potential source of SFTSV transmission across countries. Our phylogenetic analysis results show that the SFTSV isolates in South Korea were similar to isolates from Japan and China. We connect this with previous work showing that SFTSV-infected H. longicornis were found in China, South Korea, and Japan. In addition, H. longicornis were found on migratory birds. The migratory bird routes and the distribution of H. longicornis are concurrent with the occurrence of SFTSV. Therefore, we suggest that migratory birds play an important role in dispersing H. longicornis-borne SFTSV.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Phylogenetic Analysis of Severe Fever with Thrombocytopenia Syndrome Virus in South Korea and Migratory Bird Routes Between China, South Korea, and Japan

Yun¹,

Heo²,

Kim³

et al. 2015

The American Society of Tropical Medicine and Hygiene

105

View full text Add to dashboard Cite

show abstract

“…They realized that dyspnoea and cough were common symptoms, but haemoptysis was only present in Discussion CCHF incidence and prevalence have increased recently with more than 1000 cases reported from southeastern Europe and western Asia each year [9]. This is important because fatality rates in hospitalized patients have reached approximately 50% and death occurs mainly due to disseminated intravascular coagulation and multi organ failure [11][12][13][14][15][16][17][18][19][20][21]. There are no specific treatment or vaccine prophylaxes at this moment.…”

Section: Evidencesmentioning

confidence: 99%

“…Therefore, people who work with these animals (eg: butchers) are considered to be at risk. Livestock and bird migratory patterns can also affect spread of infection [1,2,5,[10][11][12][13][14][15]. Person to person transmission can occur through contact with six cases.…”

Section: Introductionmentioning

confidence: 99%