Seoul orthohantavirus

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Seoul orthohantavirus
Virus classification OOjs UI icon edit-ltr.svg
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Negarnaviricota
Class: Ellioviricetes
Order: Bunyavirales
Family: Hantaviridae
Genus: Orthohantavirus
Species:
Seoul orthohantavirus
Strains

Seoul orthohantavirus (SEOV) is a member of the genus Orthohantavirus of rodent-borne viruses, and is one of the four hantaviruses that are known to cause Hantavirus hemorrhagic fever with renal syndrome (HFRS). [1] [2] It is an Old World hantavirus; a negative sense, single-stranded, tri-segmented RNA virus.

Contents

Seoul virus is found in rats of the genus Rattus , most commonly Rattus norvegicus, but occasionally Rattus rattus . [3] The two distinct hantaviruses have been identified in Korea in 1976, from Apodemus agrarius , and in 1980, from Rattus norvegicus. In 1994, a genetically different hantavirus was identified from Apodemus peninsulae . [4] Rats do not show physiological symptoms when carrying the virus, but humans can be infected through exposure to infected rodent body fluids (blood, saliva, urine), exposure to aerosolized rat excrement, or bites from infected rats. [1] When rodent bedding or urine is stirred up by either natural causes or human disturbance, small particles become airborne. When breathed in, these particles cause infection in humans. There is currently no evidence of human-to-human transmission of SEOV, only rodent-human transmission. [5]

Seoul virus was first described by Dr. Lee Ho-Wang (Ho-Wang Lee), a Korean virologist. As the infection was first found in an apartment in Seoul, the virus was named "Seoul Virus".[ citation needed ]

Virology

Virus structure and genome

SEOV, along with all other hantaviruses, is a negative sense, single-stranded RNA virus. Its genome has three different segments: S (small), M (medium), and L (large). [6] The virus is pleomorphic, having various shapes, but often is seen as spherical, with its two surface glycoproteins arranged in rows. Inside this sphere, the three RNA segments are arranged as circles, coated in the virus' N (nucleocapsid) protein and attached to the L protein. The 5' and 3' ends of the genome segments match up, creating a panhandle structure. This base pairing occurs in all hantavirus species, with the panhandle structure and sequence being unique to each particular species, of course with some similarities and overlap between species, including an eight nucleotide consensus sequence. [7] [6]

Viral proteins

There are four major viral proteins, the two surface glycoproteins (Gn and Gc), the nucleocapsid protein (N), and the viral polymerase (L).

The Gn and Gc proteins exist on the surface of the mature virus as spikes in highly ordered rows, with each spike having four Gn/Gc heterodimers. [6] [8] Interactions between the spikes are thought to cause viral budding into the Golgi apparatus. [9] These surface glycoproteins are also responsible for the attachment of the virus to its target host cell. Gn and Gc spikes attach to β3 integrins and co-receptors on the target cell surface. [8] [10]

Transmission

Rodent populations

The SEOV is transmitted among the rats rapidly and has been detected in rat populations that reside in port cities worldwide. [11]

Human populations

There are no instances of SEOV transmission from human to human.

Epidemiology

Most human infections are recorded in Asia. [5] Human infections account for ~25% of cases of hemorrhagic fever with renal syndrome in Asia. [12]

R. norvegicus rodents are found in urban areas worldwide, meaning that SEOV and HFRS are also found globally in human populations in urban areas. [3] As of 2015 the virus has been found in wild rats in the Netherlands, and in both rodents and humans in England, Wales, France, Belgium, and Sweden. [1] Rats in New York City are also known reservoirs. [13]

An outbreak of Seoul virus infected eleven people in the U.S. states of Illinois, Indiana and Wisconsin from December 2016 to February 2017. Individuals who operated a home-based rat-breeding facility in Wisconsin became ill and were hospitalized. The ill individuals had purchased rats from animal suppliers in Wisconsin and Illinois. Investigators traced the infection to two Illinois ratteries and identified six additional people who tested positive for Seoul virus. All these individuals recovered. Further investigation by the Centers for Disease Control and Prevention revealed that potentially infected rodents may have traveled to the states of Alabama, Arkansas, Colorado, Illinois, Indiana, Iowa, Louisiana, Michigan, Minnesota, Missouri, North Dakota, South Carolina, Tennessee, Utah, and Wisconsin. [14] [5] Cases were also reported in Ontario in February 2016. [15] In 2017, the investigation further showed that there were 17 infected people and 31 infected ratteries in 11 states, which are Colorado, Georgia, Illinois, Iowa, Minnesota, Missouri, Pennsylvania, South Carolina, Tennessee, Utah, and Wisconsin. The infected rodents are found to be distributed from Colorado, Delaware, Georgia, Illinois, Idaho, Iowa, Minnesota, Missouri, New Jersey, Pennsylvania, South Carolina, Tennessee, Utah, and Wisconsin. [16]

Although rodents are known to be the main reservoir for the virus, there are studies that show that other wild animals such as cats, dogs, pigs, cattle, and deer can also work as a reservoir. The transmission between the rodents to listed animals also seems to be possible. [17]

Transmission

The SEOV is transmitted to humans mainly from feces, body fluid, and excrete of rodents. It usually occurs in agricultural locations, but there were cases of the virus in the city. It may happen in laboratory environments as well. There are increase in the number of patients in late fall (October to November) and late spring (May to June). The main targeted age group is people in their 20s to 60s, as they are more active than the age group outside of the range. [18]

Clinical features

In humans, Seoul virus causes hemorrhagic fever with renal syndrome (HFRS), along with other Old World hantaviruses. Although New World hantaviruses typically cause hantavirus pulmonary syndrome (HPS), either disease can involve the patient's kidneys or lungs. [19] [20] The virus can cause severe health issues and even death. HPS has a mortality rate of 38%. [21] The infection of the virus in humans can be tested through blood testing as the strain of the virus can be isolated. [22]

The patient will develop high grade fever, sweating, chills, abdominal pain, joint pain, red eye, nausea, vomiting, one or multiple rash(es) and/or a headache as early symptoms. After 4 to 10 days of initial symptoms, the patient may show late symptoms such as coughing and shortness of breath due to the lungs being filled up by liquid. [21]

The incubation period varies from 1–8 weeks. The symptoms can appear quickly, the majority of patients developing symptoms 1–2 weeks from the time of infection. The patient will develop severe symptoms which may lead to death. To prevent contracting this virus, avoid contact with wild rats and only adopt pet rats from trusted sources who have tested their rats by serology in order to confirm their colony does not carry this virus.

SEOV in rodents

Seoul virus is known to be found primarily in Rattus norvegicus (Norway Rat), but has also been seen in Rattus rattus (Black Rat) populations. [3] Traditionally, it has been thought that each virus in the hantavirus genus is highly specific to a single rodent host species, [23] [24] but this idea is being challenged. [25] [26]

Rattus species rodents do not show symptoms of infection with SEOV. [27]

Prevention

The best way to prevent the transmission of the virus is to limit the human-rodent interaction. [28]

Treatment

The treatment of HPS has been developed and is proved to be effective, as it shortens the course of illness and reduces the mortality rate. The vaccination of the virus has also been out in the market for over two decades, but the effectiveness has not been clearly supported. [29]

See also

Related Research Articles

<i>Orthohantavirus</i> Genus of viruses

Orthohantavirus is a genus of single-stranded, enveloped, negative-sense RNA viruses in the family Hantaviridae within the order Bunyavirales. Members of this genus may be called orthohantaviruses or simply hantaviruses.

<i>Bunyavirales</i> Order of RNA viruses

Bunyavirales is an order of segmented negative-strand RNA viruses with mainly tripartite genomes. Member viruses infect arthropods, plants, protozoans, and vertebrates. It is the only order in the class Ellioviricetes. The name Bunyavirales derives from Bunyamwera, where the original type species Bunyamwera orthobunyavirus was first discovered. Ellioviricetes is named in honor of late virologist Richard M. Elliott for his early work on bunyaviruses.

<i>Andes orthohantavirus</i> Species of virus

Andes orthohantavirus (ANDV), a species of Orthohantavirus, is a major causative agent of hantavirus cardiopulmonary syndrome (HCPS) and hantavirus pulmonary syndrome (HPS) in South America. It is named for the Andes mountains of Chile and Argentina, where it was first discovered. Originating in the reservoir of rodents, Andes orthohantavirus is easily transmitted to humans who come into contact with infected rodents or their fecal droppings. However, infected rodents do not appear ill, so there is no readily apparent indicator to determine whether the rodent is infected or not. Additionally, Andes orthohantavirus, specifically, is the only hantavirus that can be spread by human to human contact via bodily fluids or long-term contact from one infected individual to a healthy person.

Black Creek Canal orthohantavirus (BCCV) is a single-stranded, negative sense RNA virus species of New World Orthohantavirus. It was first isolated in cotton rats found in the Black Creek Canal area of Dade County, Florida in 1995. The discovery followed from an isolated case of Hantavirus pulmonary syndrome diagnosed in a Dade County resident.

Sangassou orthohantavirus(SANGV) is single-stranded, negative-sense RNA virus species of the genus Orthohantavirus in the Bunyavirales order. It was first isolated in an African wood mouse (Hylomyscus simus) in the forest in Guinea, West Africa in 2010. It is named for the village near where the mouse was trapped. It is the first indigenous Murinae-associated African hantavirus to be discovered.

<span class="mw-page-title-main">Hantavirus hemorrhagic fever with renal syndrome</span> Group of clinically similar illnesses caused by species of hantaviruses

Hantavirus hemorrhagic fever with renal syndrome (HFRS) is a group of clinically similar illnesses caused by species of hantaviruses. It is also known as Korean hemorrhagic fever and epidemic hemorrhagic fever. It is found in Europe, Asia, and Africa. The species that cause HFRS include Hantaan orthohantavirus, Dobrava-Belgrade orthohantavirus, Saaremaa virus, Seoul orthohantavirus, Puumala orthohantavirus and other orthohantaviruses. Of these species, Hantaan River virus and Dobrava-Belgrade virus cause the most severe form of the syndrome and have the highest morbidity rates. When caused by the Puumala virus, it is also called nephropathia epidemica. This infection is known as sorkfeber in Swedish, myyräkuume in Finnish, and musepest in Norwegian.

<span class="mw-page-title-main">Hantavirus pulmonary syndrome</span> Viral pulmonary disease of humans

Hantavirus pulmonary syndrome (HPS) is one of two potentially fatal syndromes of zoonotic origin caused by species of hantavirus. These include Black Creek Canal virus (BCCV), New York orthohantavirus (NYV), Monongahela virus (MGLV), Sin Nombre orthohantavirus (SNV), and certain other members of hantavirus genera that are native to the United States and Canada.

Soochong virus (SOOV) is a zoonotic negative sense single-stranded RNA virus. It may be a member of the genus Orthohantavirus, but it has not be definitively classified as a species and may only be a strain. It is one of four rodent-borne Hantaviruses found in the Republic of Korea. It is the etiologic agent for Hantavirus hemorrhagic fever with renal syndrome (HFRS). The other species responsible for HFRS in Korea are Seoul virus, Haantan virus, and Muju virus.

Muju virus(MUV) is a zoonotic negative-sense single-stranded RNA virus of the genus Orthohantavirus. It is a member virus of Puumala orthohantavirus. It is one of four rodent-borne Hantaviruses found in the Republic of Korea. It is the etiologic agent for Hantavirus hemorrhagic fever with renal syndrome (HFRS). The other species responsible for HFRS in Korea are Seoul orthohantavirus, Hantaan orthohantavirus, and Soochong virus.

Monongahela virus (MGLV) is a single-stranded, negative-sense Orthohantavirus virus of zoonotic origin that causes hantavirus pulmonary syndrome.

Hantaan orthohantavirus (HTNV) is an enveloped, single-stranded, negative-sense RNA virus species of Old World Orthohantavirus. It is the causative agent of Korean hemorrhagic fever in humans. It is named for the Hantan River in South Korea, and in turn lends the name to its genus Orthohantavirus and family Hantaviridae.

Choclo orthohantavirus (CHOV) is a single-stranded, negative-sense RNA zoonotic New World hantavirus. It was first isolated in 1999 in western Panama. The finding marked the first time Hantavirus pulmonary syndrome (HPS) was found in Central America.

Calabazo virus is an enveloped, single-stranded, negative-sense RNA hantavirus species of the order Bunyavirales. It is a novel New World microtine rodent-borne hantavirus discovered in Central America on the Azuero Peninsula of Panama in early 2000. Human infection with Calabazo virus results in respiratory illness similar to Hantavirus pulmonary syndrome but it is not severe or fatal and rarely requires hospitalization.

Nova virus is a single-stranded, negative-sense, enveloped RNA virus with a trisegmented genome. It is one of the most divergent lineages of the hantavirus group – zoonotic viruses of the family Bunyaviridae. No known human cases of infection have yet been reported

Rockport virus (RKPV) is a single-stranded, enveloped, negative-sense RNA orthohantavirus.

Thailand virus (THAIV) is a single-stranded, enveloped, negative-sense RNA orthohantavirus.

Serang virus(SERV) is a single-stranded, negative-sense, enveloped, novel RNA orthohantavirus.

Gou virus (GOUV) is a single-stranded, negative-sense, enveloped novel RNA orthohantavirus. It is one of the known hantaviruses responsible for hantavirus hemorrhagic fever with renal syndrome in humans.

Hantavirus vaccine is a vaccine that protects in humans against hantavirus infections causing hantavirus hemorrhagic fever with renal syndrome (HFRS) or hantavirus pulmonary syndrome (HPS). The vaccine is considered important as acute hantavirus infections are responsible for significant morbidity and mortality worldwide. It is estimated that about 1.5 million cases and 46,000 deaths occurred in China from 1950 to 2007. The number of cases is estimated at 32,000 in Finland from 2005 to 2010 and 90,000 in Russia from 1996 to 2006.

Ho Wang Lee was a South Korean physician, epidemiologist, and virologist. He was the first person in the history of medicine to be the one chiefly responsible for all 3 of the following steps: (1) discovery of the virus causing a human disease, (2) development of a method of diagnosis for the disease, and (3) development of a vaccine against the disease.

References

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  2. ↑ US Centers for Disease Control. Virology, Hantaviruses Page last reviewed: August 29, 2012.
  3. 1 2 3 Jonsson, Colleen B.; Figueiredo, Luiz Tadeu Moraes; Vapalahti, Olli (2010-04-01). "A Global Perspective on Hantavirus Ecology, Epidemiology, and Disease". Clinical Microbiology Reviews. 23 (2): 412–441. doi:10.1128/CMR.00062-09. ISSN   0893-8512. PMC   2863364 . PMID   20375360.
  4. ↑ 송기준; 윤형선; 고은영; 정기모; 박광숙; 이용주; 송진원; 백락주 (March 2000). "흰넓적다리붉은쥐 유래 한타바이러스 분리 및 분자생물학적 특성 비교". Journal of Bacteriology and Virology (in Korean). 30 (1): 19–28. ISSN   1598-2467.
  5. 1 2 3 US Centers for Disease Control. Multi-state Outbreak of Seoul Virus Updated January 19, 2017.
  6. 1 2 3 Knipe, David M. (2015). Fields Virology. Wolters Kluwer. ISBN   978-1-4511-0563-6. OCLC   956639500.
  7. ↑ Mir, M. A.; Brown, B.; Hjelle, B.; Duran, W. A.; Panganiban, A. T. (2006-11-01). "Hantavirus N Protein Exhibits Genus-Specific Recognition of the Viral RNA Panhandle". Journal of Virology. 80 (22): 11283–11292. doi:10.1128/JVI.00820-06. ISSN   0022-538X. PMC   1642145 . PMID   16971445.
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  10. ↑ Krautkramer, E.; Zeier, M. (2008-02-27). "Hantavirus Causing Hemorrhagic Fever with Renal Syndrome Enters from the Apical Surface and Requires Decay-Accelerating Factor (DAF/CD55)". Journal of Virology. 82 (9): 4257–4264. doi:10.1128/jvi.02210-07. ISSN   0022-538X. PMC   2293039 . PMID   18305044.
  11. ↑ Nielsen, Carrie F.; Sethi, Vishal; Petroll, Andrew E.; Kazmierczak, James; Erickson, Bobbie R.; Nichol, Stuart T.; Rollin, Pierre E.; Davis, Jeffrey P. (2010-12-06). "Seoul Virus Infection in a Wisconsin Patient with Recent Travel to China, March 2009: First Documented Case in the Midwestern United States". The American Journal of Tropical Medicine and Hygiene. 83 (6): 1266–1268. doi:10.4269/ajtmh.2010.10-0424. ISSN   0002-9637. PMC   2990043 . PMID   21118933.
  12. ↑ Yao LS, Qin CF, Pu Y, Zhang XL, Liu YX, Liu Y, Cao XM, Deng YQ, Wang J, Hu KX, Xu BL (2012). "Complete genome sequence of Seoul virus isolated from Rattus norvegicus in the Democratic People's Republic of Korea". J. Virol. 86 (24): 13853. doi:10.1128/JVI.02668-12. PMC   3503101 . PMID   23166256.
  13. ↑ Firth, C (2014). "Detection of Zoonotic Pathogens and Characterization of Novel Viruses Carried by Commensal Rattus norvegicus in New York City". mBio. 5 (5): e01933–14. doi:10.1128/mBio.01933-14. PMC   4205793 . PMID   25316698.
  14. ↑ "Multi-state Outbreak of Seoul Virus | Hantavirus | DHCPP | CDC". www.cdc.gov. Retrieved 2017-02-14.
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  16. ↑ "Multi-state Outbreak of Seoul Virus | Hantavirus | DHCPP | CDC". www.cdc.gov. 2019-02-22. Retrieved 2022-12-04.
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  18. ↑ 유정희; 남재환; 최택균; 주영란; 이찬희; 신영학; 박근용 (June 2004). "대장균에서 발현된 한타바이러스 N Protein의 응용". Journal of Bacteriology and Virology (in Korean). 34 (2): 147–155. ISSN   1598-2467.
  19. ↑ Clement, Jan; Maes, Piet; Van Ranst, Marc (2014-07-17). "Hemorrhagic Fever with Renal Syndrome in the New, and Hantavirus Pulmonary Syndrome in the old world: Paradi(se)gm lost or regained?". Virus Research. Hantaviruses. 187: 55–58. doi:10.1016/j.virusres.2013.12.036. ISSN   0168-1702. PMID   24440318.
  20. ↑ Krüger, Detlev H.; Schönrich, Günther; Klempa, Boris (2011-06-01). "Human pathogenic hantaviruses and prevention of infection". Human Vaccines. 7 (6): 685–693. doi:10.4161/hv.7.6.15197. ISSN   1554-8600. PMC   3219076 . PMID   21508676.
  21. 1 2 "Signs & Symptoms | Hantavirus | DHCPP | CDC". www.cdc.gov. 2019-02-22. Retrieved 2022-12-04.
  22. ↑ 주용규; 이호왕 (June 1997). "한타바이러스 호왕균주의 M , S 유전자 절편의 염기서열 및 분자생물학적 특성". Journal of Bacteriology and Virology (in Korean). 27 (1): 59–68. ISSN   1598-2467.
  23. ↑ Mills, James N. (February 2006). "Biodiversity loss and emerging infectious disease: An example from the rodent-borne hemorrhagic fevers". Biodiversity. 7 (1): 9–17. doi:10.1080/14888386.2006.9712789. ISSN   1488-8386. S2CID   85306868.
  24. ↑ Plyusnin, A.; Morzunov, S. P. (2001), Schmaljohn, Connie S.; Nichol, Stuart T. (eds.), "Virus Evolution and Genetic Diversity of Hantaviruses and Their Rodent Hosts", Hantaviruses, Current Topics in Microbiology and Immunology, Springer, vol. 256, pp. 47–75, doi:10.1007/978-3-642-56753-7_4, ISBN   978-3-642-56753-7, PMID   11217406
  25. ↑ Chin, Chuan; Chiueh, Tzong-Shi; Yang, Wen-Chin; Yang, Tzong-Horng; Shih, Chwen-Ming; Lin, Hui-Tsu; Lin, Kih-Ching; Lien, Jih-Ching; Tsai, Theodore F.; Ruo, Suyu L.; Nichol, Stuart T. (2000). "Hantavirus infection in Taiwan: The experience of a geographically unique area". Journal of Medical Virology. 60 (2): 237–247. doi:10.1002/(SICI)1096-9071(200002)60:2<237::AID-JMV21>3.0.CO;2-B. ISSN   1096-9071. PMID   10596027. S2CID   22903467.
  26. ↑ Reusken, Chantal; Heyman, Paul (2013-02-01). "Factors driving hantavirus emergence in Europe". Current Opinion in Virology. Virus entry / Environmental virology. 3 (1): 92–99. doi:10.1016/j.coviro.2013.01.002. ISSN   1879-6257. PMID   23384818.
  27. ↑ Kariwa, H.; Fujiki, M.; Yoshimatsu, K.; Arikawa, J.; Takashima, I.; Hashimoto, N. (February 1998). "Urine-associated horizontal transmission of Seoul virus among rats". Archives of Virology. 143 (2): 365–374. doi:10.1007/s007050050292. ISSN   0304-8608. PMID   9541619. S2CID   32993360.
  28. ↑ Nielsen, Carrie F.; Sethi, Vishal; Petroll, Andrew E.; Kazmierczak, James; Erickson, Bobbie R.; Nichol, Stuart T.; Rollin, Pierre E.; Davis, Jeffrey P. (2010-12-06). "Seoul Virus Infection in a Wisconsin Patient with Recent Travel to China, March 2009: First Documented Case in the Midwestern United States". The American Journal of Tropical Medicine and Hygiene. 83 (6): 1266–1268. doi:10.4269/ajtmh.2010.10-0424. ISSN   0002-9637. PMC   2990043 . PMID   21118933.
  29. ↑ Kim, Hyo Youl (2009). "Hemorrhagic Fever with Renal Syndrome". Infection and Chemotherapy. 41 (6): 323. doi:10.3947/ic.2009.41.6.323. ISSN   1598-8112.
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