Multiple circulating infections can mimic the early stages of viral hemorrhagic fevers and possible human exposure to filoviruses in sierra leone prior to the 2014 outbreak

Matthew L. Boisen; John S. Schieffelin; Augustine Goba; Darin Oottamasathien; Abigail B. Jones; Jeffrey G. Shaffer; Kathryn M. Hastie; Jessica N. Hartnett; Mambu Momoh; Mohammed Fullah; Michael Gabiki; Sidiki Safa; Michelle Zandonatti; Marnie Fusco; Zach Bornholdt; Dafna Abelson; Stephen K. Gire; Kristian G. Andersen; Ridhi Tariyal; Mathew Stremlau; Robert W. Cross; Joan B. Geisbert; Kelly R. Pitts; Thomas W. Geisbert; Peter Kulakoski; Russell B. Wilson; Lee Henderson; Pardis C. Sabeti; Donald S. Grant; Robert F. Garry; Erica O. Saphire; Luis M. Branco; Sheik Humarr Khan

doi:10.1089/vim.2014.0108

Multiple circulating infections can mimic the early stages of viral hemorrhagic fevers and possible human exposure to filoviruses in sierra leone prior to the 2014 outbreak

Matthew L. Boisen, John S. Schieffelin, Augustine Goba, Darin Oottamasathien, Abigail B. Jones, Jeffrey G. Shaffer, Kathryn M. Hastie, Jessica N. Hartnett, Mambu Momoh, Mohammed Fullah, Michael Gabiki, Sidiki Safa, Michelle Zandonatti, Marnie Fusco, Zach Bornholdt, Dafna Abelson, Stephen K. Gire, Kristian G. Andersen, Ridhi Tariyal, Mathew StremlauRobert W. Cross, Joan B. Geisbert, Kelly R. Pitts, Thomas W. Geisbert, Peter Kulakoski, Russell B. Wilson, Lee Henderson, Pardis C. Sabeti, Donald S. Grant, Robert F. Garry, Erica O. Saphire, Luis M. Branco, Sheik Humarr Khan

Microbiology And Immunology

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

Lassa fever (LF) is a severe viral hemorrhagic fever caused by Lassa virus (LASV). The LF program at the Kenema Government Hospital (KGH) in Eastern Sierra Leone currently provides diagnostic services and clinical care for more than 500 suspected LF cases per year. Nearly two-thirds of suspected LF patients presenting to the LF Ward test negative for either LASV antigen or anti-LASV immunoglobulin M (IgM), and therefore are considered to have a non-Lassa febrile illness (NLFI). The NLFI patients in this study were generally severely ill, which accounts for their high case fatality rate of 36%. The current studies were aimed at determining possible causes of severe febrile illnesses in non-LF cases presenting to the KGH, including possible involvement of filoviruses. A seroprevalence survey employing commercial enzyme-linked immunosorbent assay tests revealed significant IgM and IgG reactivity against dengue virus, chikungunya virus, West Nile virus (WNV), Leptospira, and typhus. A polymerase chain reaction-based survey using sera from subjects with acute LF, evidence of prior LASV exposure, or NLFI revealed widespread infection with Plasmodium falciparum malaria in febrile patients. WNV RNA was detected in a subset of patients, and a 419 nt amplicon specific to filoviral L segment RNA was detected at low levels in a single patient. However, 22% of the patients presenting at the KGH between 2011 and 2014 who were included in this survey registered anti-Ebola virus (EBOV) IgG or IgM, suggesting prior exposure to this agent. The 2014 Ebola virus disease (EVD) outbreak is already the deadliest and most widely dispersed outbreak of its kind on record. Serological evidence reported here for possible human exposure to filoviruses in Sierra Leone prior to the current EVD outbreak supports genetic analysis that EBOV may have been present in West Africa for some time prior to the 2014 outbreak.

Original language	English (US)
Pages (from-to)	19-31
Number of pages	13
Journal	Viral Immunology
Volume	28
Issue number	1
DOIs	https://doi.org/10.1089/vim.2014.0108
State	Published - Feb 1 2015

ASJC Scopus subject areas

Immunology
Molecular Medicine
Virology

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Boisen, M. L., Schieffelin, J. S., Goba, A., Oottamasathien, D., Jones, A. B., Shaffer, J. G., Hastie, K. M., Hartnett, J. N., Momoh, M., Fullah, M., Gabiki, M., Safa, S., Zandonatti, M., Fusco, M., Bornholdt, Z., Abelson, D., Gire, S. K., Andersen, K. G., Tariyal, R., ... Khan, S. H. (2015). Multiple circulating infections can mimic the early stages of viral hemorrhagic fevers and possible human exposure to filoviruses in sierra leone prior to the 2014 outbreak. Viral Immunology, 28(1), 19-31. https://doi.org/10.1089/vim.2014.0108

Boisen, ML, Schieffelin, JS, Goba, A, Oottamasathien, D, Jones, AB, Shaffer, JG, Hastie, KM, Hartnett, JN, Momoh, M, Fullah, M, Gabiki, M, Safa, S, Zandonatti, M, Fusco, M, Bornholdt, Z, Abelson, D, Gire, SK, Andersen, KG, Tariyal, R, Stremlau, M, Cross, RW, Geisbert, JB, Pitts, KR, Geisbert, TW, Kulakoski, P, Wilson, RB, Henderson, L, Sabeti, PC, Grant, DS, Garry, RF, Saphire, EO, Branco, LM & Khan, SH 2015, 'Multiple circulating infections can mimic the early stages of viral hemorrhagic fevers and possible human exposure to filoviruses in sierra leone prior to the 2014 outbreak', Viral Immunology, vol. 28, no. 1, pp. 19-31. https://doi.org/10.1089/vim.2014.0108

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title = "Multiple circulating infections can mimic the early stages of viral hemorrhagic fevers and possible human exposure to filoviruses in sierra leone prior to the 2014 outbreak",

abstract = "Lassa fever (LF) is a severe viral hemorrhagic fever caused by Lassa virus (LASV). The LF program at the Kenema Government Hospital (KGH) in Eastern Sierra Leone currently provides diagnostic services and clinical care for more than 500 suspected LF cases per year. Nearly two-thirds of suspected LF patients presenting to the LF Ward test negative for either LASV antigen or anti-LASV immunoglobulin M (IgM), and therefore are considered to have a non-Lassa febrile illness (NLFI). The NLFI patients in this study were generally severely ill, which accounts for their high case fatality rate of 36%. The current studies were aimed at determining possible causes of severe febrile illnesses in non-LF cases presenting to the KGH, including possible involvement of filoviruses. A seroprevalence survey employing commercial enzyme-linked immunosorbent assay tests revealed significant IgM and IgG reactivity against dengue virus, chikungunya virus, West Nile virus (WNV), Leptospira, and typhus. A polymerase chain reaction-based survey using sera from subjects with acute LF, evidence of prior LASV exposure, or NLFI revealed widespread infection with Plasmodium falciparum malaria in febrile patients. WNV RNA was detected in a subset of patients, and a 419 nt amplicon specific to filoviral L segment RNA was detected at low levels in a single patient. However, 22% of the patients presenting at the KGH between 2011 and 2014 who were included in this survey registered anti-Ebola virus (EBOV) IgG or IgM, suggesting prior exposure to this agent. The 2014 Ebola virus disease (EVD) outbreak is already the deadliest and most widely dispersed outbreak of its kind on record. Serological evidence reported here for possible human exposure to filoviruses in Sierra Leone prior to the current EVD outbreak supports genetic analysis that EBOV may have been present in West Africa for some time prior to the 2014 outbreak.",

author = "Boisen, {Matthew L.} and Schieffelin, {John S.} and Augustine Goba and Darin Oottamasathien and Jones, {Abigail B.} and Shaffer, {Jeffrey G.} and Hastie, {Kathryn M.} and Hartnett, {Jessica N.} and Mambu Momoh and Mohammed Fullah and Michael Gabiki and Sidiki Safa and Michelle Zandonatti and Marnie Fusco and Zach Bornholdt and Dafna Abelson and Gire, {Stephen K.} and Andersen, {Kristian G.} and Ridhi Tariyal and Mathew Stremlau and Cross, {Robert W.} and Geisbert, {Joan B.} and Pitts, {Kelly R.} and Geisbert, {Thomas W.} and Peter Kulakoski and Wilson, {Russell B.} and Lee Henderson and Sabeti, {Pardis C.} and Grant, {Donald S.} and Garry, {Robert F.} and Saphire, {Erica O.} and Branco, {Luis M.} and Khan, {Sheik Humarr}",

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AU - Boisen, Matthew L.

AU - Schieffelin, John S.

AU - Goba, Augustine

AU - Oottamasathien, Darin

AU - Jones, Abigail B.

AU - Shaffer, Jeffrey G.

AU - Hastie, Kathryn M.

AU - Hartnett, Jessica N.

AU - Momoh, Mambu

AU - Fullah, Mohammed

AU - Gabiki, Michael

AU - Safa, Sidiki

AU - Zandonatti, Michelle

AU - Fusco, Marnie

AU - Bornholdt, Zach

AU - Abelson, Dafna

AU - Gire, Stephen K.

AU - Andersen, Kristian G.

AU - Tariyal, Ridhi

AU - Stremlau, Mathew

AU - Cross, Robert W.

AU - Geisbert, Joan B.

AU - Pitts, Kelly R.

AU - Geisbert, Thomas W.

AU - Kulakoski, Peter

AU - Wilson, Russell B.

AU - Henderson, Lee

AU - Sabeti, Pardis C.

AU - Grant, Donald S.

AU - Garry, Robert F.

AU - Saphire, Erica O.

AU - Branco, Luis M.

AU - Khan, Sheik Humarr

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N2 - Lassa fever (LF) is a severe viral hemorrhagic fever caused by Lassa virus (LASV). The LF program at the Kenema Government Hospital (KGH) in Eastern Sierra Leone currently provides diagnostic services and clinical care for more than 500 suspected LF cases per year. Nearly two-thirds of suspected LF patients presenting to the LF Ward test negative for either LASV antigen or anti-LASV immunoglobulin M (IgM), and therefore are considered to have a non-Lassa febrile illness (NLFI). The NLFI patients in this study were generally severely ill, which accounts for their high case fatality rate of 36%. The current studies were aimed at determining possible causes of severe febrile illnesses in non-LF cases presenting to the KGH, including possible involvement of filoviruses. A seroprevalence survey employing commercial enzyme-linked immunosorbent assay tests revealed significant IgM and IgG reactivity against dengue virus, chikungunya virus, West Nile virus (WNV), Leptospira, and typhus. A polymerase chain reaction-based survey using sera from subjects with acute LF, evidence of prior LASV exposure, or NLFI revealed widespread infection with Plasmodium falciparum malaria in febrile patients. WNV RNA was detected in a subset of patients, and a 419 nt amplicon specific to filoviral L segment RNA was detected at low levels in a single patient. However, 22% of the patients presenting at the KGH between 2011 and 2014 who were included in this survey registered anti-Ebola virus (EBOV) IgG or IgM, suggesting prior exposure to this agent. The 2014 Ebola virus disease (EVD) outbreak is already the deadliest and most widely dispersed outbreak of its kind on record. Serological evidence reported here for possible human exposure to filoviruses in Sierra Leone prior to the current EVD outbreak supports genetic analysis that EBOV may have been present in West Africa for some time prior to the 2014 outbreak.

AB - Lassa fever (LF) is a severe viral hemorrhagic fever caused by Lassa virus (LASV). The LF program at the Kenema Government Hospital (KGH) in Eastern Sierra Leone currently provides diagnostic services and clinical care for more than 500 suspected LF cases per year. Nearly two-thirds of suspected LF patients presenting to the LF Ward test negative for either LASV antigen or anti-LASV immunoglobulin M (IgM), and therefore are considered to have a non-Lassa febrile illness (NLFI). The NLFI patients in this study were generally severely ill, which accounts for their high case fatality rate of 36%. The current studies were aimed at determining possible causes of severe febrile illnesses in non-LF cases presenting to the KGH, including possible involvement of filoviruses. A seroprevalence survey employing commercial enzyme-linked immunosorbent assay tests revealed significant IgM and IgG reactivity against dengue virus, chikungunya virus, West Nile virus (WNV), Leptospira, and typhus. A polymerase chain reaction-based survey using sera from subjects with acute LF, evidence of prior LASV exposure, or NLFI revealed widespread infection with Plasmodium falciparum malaria in febrile patients. WNV RNA was detected in a subset of patients, and a 419 nt amplicon specific to filoviral L segment RNA was detected at low levels in a single patient. However, 22% of the patients presenting at the KGH between 2011 and 2014 who were included in this survey registered anti-Ebola virus (EBOV) IgG or IgM, suggesting prior exposure to this agent. The 2014 Ebola virus disease (EVD) outbreak is already the deadliest and most widely dispersed outbreak of its kind on record. Serological evidence reported here for possible human exposure to filoviruses in Sierra Leone prior to the current EVD outbreak supports genetic analysis that EBOV may have been present in West Africa for some time prior to the 2014 outbreak.

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Multiple circulating infections can mimic the early stages of viral hemorrhagic fevers and possible human exposure to filoviruses in sierra leone prior to the 2014 outbreak

Abstract

ASJC Scopus subject areas

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