OxRML/AgentSLR huggingface dataset:
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Unspecified
Risk factor: Other
Risk factor outcome: Death
Risk factor significance: Not significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Minimum age: 11
Maximum age: 61
Sample size: 37
Country: Nigeria
Location: Irrua
Study period:  Jul 07 2007 to  Apr 04 2009
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - Unspecified
CFR/IFR numerator: 10
CFR/IFR denominator: 458
Epidemic phase: Unspecified
Population group: General population
Sample type: Community based
Sex: Unspecified
Sample size: 458
Country: Nigeria
Location: Benue River
Study period:   1965 to   1966
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - Unspecified
CFR/IFR numerator: 5
CFR/IFR denominator: 712
Epidemic phase: Unspecified
Disaggregated by: Region
Population group: Other
Sample type: Other
Sex: Unspecified
Sample size: 712
Country: DRC, Côte d'Ivoire, Ethiopia, Gabon, Guinea, Kenya, Liberia, Mali, Niger, Nigeria, Tanzania
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - Unspecified
CFR/IFR numerator: 23
CFR/IFR denominator: 281
Epidemic phase: Unspecified
Disaggregated by: Age, Region
Population group: General population
Sample type: Community based
Sex: Unspecified
Sample size: 281
Country: Nigeria
Location: Ibadan
Study period:   1965 to   1970
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - IFA
Parameter value: 35
Unit: Percentage (%)
Value type: Unspecified
Lower bound: 31
Upper bound: 45
Bounds: 31 - 45
CFR/IFR numerator: 360
CFR/IFR denominator: 1024
Epidemic phase: Endemic
Disaggregated by: Age, Sex
Population group: General population
Sample type: Community based
Sex: Both
Minimum age: 15
Maximum age: 65
Sample size: 1024
Country: Sierra Leone
Location: Niahun, Konia
Study period:   1978 to   1981
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - IFA
Parameter value: 22
Unit: Percentage (%)
Value type: Unspecified
Lower bound: 16
Upper bound: 50
Bounds: 16 - 50
CFR/IFR numerator: 108
CFR/IFR denominator: 496
Epidemic phase: Endemic
Disaggregated by: Age, Level of exposure, Occupation, Sex
Population group: Healthcare workers
Sample type: Hospital based
Sex: Both
Minimum age: 15
Maximum age: 65
Sample size: 496
Country: Sierra Leone
Location: Eastern Province
Study period:   1972 to   1983
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Occupation
Risk factor outcome: Serology
Risk factor occupation: Healthcare
Risk factor significance: Significant
Risk factor adjustment: Not adjusted
Population group: Mixed groups
Sample type: Mixed settings
Sex: Both
Minimum age: 15
Maximum age: 65
Country: Sierra Leone
Location: Eastern Province
Study period:   1972 to   1983
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Close contact;Occupation
Risk factor outcome: Serology
Risk factor occupation: Healthcare
Risk factor significance: Significant
Risk factor adjustment: Adjusted
Population group: Mixed groups
Sample type: Mixed settings
Sex: Both
Minimum age: 15
Maximum age: 65
Country: Sierra Leone
Location: Eastern Province
Study period:   1972 to   1983
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Close contact;Occupation
Risk factor outcome: Serology
Risk factor occupation: Healthcare
Risk factor significance: Not significant
Risk factor adjustment: Adjusted
Population group: Mixed groups
Sample type: Mixed settings
Sex: Both
Minimum age: 15
Maximum age: 65
Country: Sierra Leone
Location: Eastern Province
Study period:   1972 to   1983
Pathogen: Lassa mammarenavirus
Parameter class: Severity
Parameter type: Severity - case fatality rate (CFR)
Parameter value: 29
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 4
CFR/IFR denominator: 14
CFR/IFR method: Unspecified
Epidemic phase: Endemic
Disaggregated by: Region
Population group: Persons under investigation
Sample type: Population based
Sex: Both
Minimum age: 1
Maximum age: 56
Sample size: 14
Country: Liberia
Location: Bong, Nimba, Montserrado
Study period:  Jan 01 2016 to  Jun 06 2016
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - other human delay (go to section)
Parameter value: 6.5
Unit: Days
Value type: Median
Uncertainty type: Range
Uncertainty lower value: 0
Uncertainty upper value: 31
Combined uncertainty: 0 - 31 (Range)
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Population based
Sex: Both
Minimum age: 1
Maximum age: 56
Sample size: 14
Country: Liberia
Location: Bong, Nimba, Montserrado
Study period:  Jan 01 2016 to  Jun 06 2016
Other delay start: Symptom Onset/Fever
Other delay end: Specimen Collection
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - other human delay (go to section)
Parameter value: 6
Unit: Days
Value type: Median
Uncertainty type: Range
Uncertainty lower value: 2
Uncertainty upper value: 64
Combined uncertainty: 2 - 64 (Range)
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Population based
Sex: Both
Minimum age: 1
Maximum age: 56
Sample size: 14
Country: Liberia
Location: Bong, Nimba, Montserrado
Study period:  Jan 01 2016 to  Jun 06 2016
Other delay start: Specimen Collection
Other delay end: Test Result
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - IgG
Parameter value: 7.4
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 22
CFR/IFR denominator: 297
Epidemic phase: Endemic
Population group: Other
Sample type: Hospital based
Sex: Unspecified
Sample size: 297
Country: Nigeria
Location: Borno State
Study period:  Sep 09 2011 to  Feb 02 2012
Pathogen: Lassa mammarenavirus
Parameter class: Severity
Parameter type: Severity - case fatality rate (CFR)
Parameter value: 59.6
Unit: Percentage (%)
Value type: Unspecified
Lower bound: 0
Upper bound: 100
Bounds: 0 - 100
CFR/IFR numerator: 28
CFR/IFR denominator: 47
CFR/IFR method: Adjusted
Epidemic phase: Endemic
Disaggregated by: Age, Other, Region, Sex, Time
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 47
Country: Nigeria
Location: Taraba, Edo, Lagos, Bauchi, Rivers, Gombe, Ekiti
Study period:  Oct 10 2015 to  Feb 02 2016
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Age;Other
Risk factor outcome: Death
Risk factor significance: Significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 47
Country: Nigeria
Location: Taraba, Edo, Lagos, Bauchi, Rivers, Gombe, Ekiti
Study period:  Oct 10 2015 to  Feb 02 2016
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Cormobidity;Other;Sex
Risk factor outcome: Death
Risk factor significance: Not significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 47
Country: Nigeria
Location: Taraba, Edo, Lagos, Bauchi, Rivers, Gombe, Ekiti
Study period:  Oct 10 2015 to  Feb 02 2016
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - Unspecified
CFR/IFR numerator: 0
CFR/IFR denominator: 258
Epidemic phase: Unspecified
Population group: Mixed groups
Sample type: Mixed settings
Sex: Unspecified
Sample size: 258
Country: Nigeria
Location: Onitsha, Enugu, Ibadan, Afikpo
Pathogen: Lassa mammarenavirus
Parameter class: Severity
Parameter type: Severity - case fatality rate (CFR)
Parameter value: 8.8
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 8
CFR/IFR denominator: 90
CFR/IFR method: Naive
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 90
Country: Sierra Leone
Location: Kenema
Study period:  Sep 09 2002 to  Jul 07 2004
Pathogen: Lassa mammarenavirus
Parameter class: Attack rate
Parameter type: Attack rate
Parameter value: 3.1
Unit: No units
Value type: Unspecified
Lower bound: 1.5
Upper bound: 5.1
Bounds: 1.5 - 5.1
Uncertainty type: 95% CI
Uncertainty lower value: 2.5
Uncertainty upper value: 3.8
Combined uncertainty: 2.5 - 3.8 (95% CI)
Epidemic phase: Endemic
Disaggregated by: Age, Sex
Population group: Other
Sample type: Household based
Sex: Both
Sample size: 28882
Country: Sierra Leone
Location: Central Region, Eastern Region
Study period:  Sep 09 2002 to  Jul 07 2004
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Contact with animal;Other
Risk factor outcome: Occurrence
Risk factor significance: Significant
Risk factor adjustment: Not adjusted
Population group: Other
Sample type: Household based
Sex: Both
Sample size: 90
Country: Sierra Leone
Location: Central Region, Eastern Region
Study period:  Sep 09 2002 to  Jul 07 2004
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Other
Risk factor outcome: Occurrence
Risk factor significance: Not significant
Risk factor adjustment: Not adjusted
Population group: Other
Sample type: Household based
Sex: Both
Sample size: 90
Country: Sierra Leone
Location: Central Region, Eastern Region
Study period:  Sep 09 2002 to  Jul 07 2004
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Contact with animal;Other
Risk factor outcome: Occurrence
Risk factor significance: Significant
Risk factor adjustment: Adjusted
Population group: Other
Sample type: Household based
Sex: Both
Sample size: 90
Country: Sierra Leone
Location: Central Region, Eastern Region
Study period:  Sep 09 2002 to  Jul 07 2004
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Other
Risk factor outcome: Occurrence
Risk factor significance: Not significant
Risk factor adjustment: Adjusted
Population group: Other
Sample type: Household based
Sex: Both
Sample size: 90
Country: Sierra Leone
Location: Central Region, Eastern Region
Study period:  Sep 09 2002 to  Jul 07 2004
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - Unspecified
Parameter value: 3.7
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 6
CFR/IFR denominator: 165
Epidemic phase: Unspecified
Population group: Mixed groups
Sample type: Hospital based
Sex: Both
Sample size: 165
Country: Liberia
Location: Monrovia, Bong County, Loffa County
Study period:  Oct 10 1974 to  Dec 12 1974
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - symptom onset>death
Parameter value: 13.2
Unit: Days
Value type: Mean
Uncertainty type: Range
Uncertainty lower value: 4
Uncertainty upper value: 31
Combined uncertainty: 4 - 31 (Range)
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Sample size: 17
Country: Guinea, Sierra Leone
Study period:  Oct 10 1996 to  Feb 02 1998
Pathogen: Lassa mammarenavirus
Parameter class: Severity
Parameter type: Severity - case fatality rate (CFR)
Parameter value: 24
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 17
CFR/IFR denominator: 50
CFR/IFR method: Adjusted
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Sample size: 50
Country: Guinea, Sierra Leone
Study period:  Oct 10 1996 to  Feb 02 1998
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Other
Risk factor outcome: Death
Risk factor significance: Significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Sample size: 50
Country: Guinea, Sierra Leone
Study period:  Oct 10 1996 to  Feb 02 1998
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Other
Risk factor outcome: Death
Risk factor significance: Not significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Sample size: 50
Country: Guinea, Sierra Leone
Study period:  Oct 10 1996 to  Feb 02 1998
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - IgG
Parameter value: 16
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 50
CFR/IFR denominator: 305
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Sample size: 305
Country: Guinea, Sierra Leone
Study period:  Oct 10 1996 to  Feb 02 1998
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - IgG
Parameter value: 15
Unit: Percentage (%)
Value type: Unspecified
Lower bound: 8
Upper bound: 38
Bounds: 8 - 38
CFR/IFR numerator: 48
CFR/IFR denominator: 311
Epidemic phase: Unspecified
Disaggregated by: Age, Region
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 311
Country: Guinea
Location: Kindia, Faranah, Kissidougou, Macenta,  N’zérékoré
Study period:  Mar 03 1996 to  Dec 12 1999
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - IgM
Parameter value: 7
Unit: Percentage (%)
Value type: Unspecified
Lower bound: 0
Upper bound: 25
Bounds: 0 - 25
CFR/IFR numerator: 22
CFR/IFR denominator: 311
Epidemic phase: Unspecified
Disaggregated by: Age, Region
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 311
Country: Guinea
Location: Kindia, Faranah, Kissidougou, Macenta,  N’zérékoré
Study period:  Mar 03 1996 to  Dec 12 1999
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - symptom onset>admission to care
Parameter value: 8.7
Unit: Days
Value type: Mean
Uncertainty single value: 0.6 (Standard Error)
Combined uncertainty: 0.6 (Standard Error)
Epidemic phase: Unspecified
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 311
Country: Guinea
Location: Kindia, Faranah, Kissidougou, Macenta,  N’zérékoré
Study period:  Mar 03 1996 to  Dec 12 1999
Pathogen: Lassa mammarenavirus
Parameter class: Severity
Parameter type: Severity - case fatality rate (CFR)
Parameter value: 18
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 4
CFR/IFR denominator: 22
CFR/IFR method: Unspecified
Epidemic phase: Unspecified
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 22
Country: Guinea
Location: Kindia, Faranah, Kissidougou, Macenta,  N’zérékoré
Study period:  Mar 03 1996 to  Dec 12 1999
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - admission to care>death
Parameter value: 3.3
Unit: Days
Value type: Mean
Uncertainty single value: 1.2 (Standard Error)
Combined uncertainty: 1.2 (Standard Error)
Epidemic phase: Unspecified
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 22
Country: Guinea
Location: Kindia, Faranah, Kissidougou, Macenta,  N’zérékoré
Study period:  Mar 03 1996 to  Dec 12 1999
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Unspecified
Risk factor: Other
Risk factor outcome: Infection
Risk factor significance: Significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Country: Guinea
Location: Kindia, Faranah, Kissidougou, Macenta,  N’zérékoré
Study period:  Mar 03 1996 to  Dec 12 1999
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Unspecified
Risk factor: Other
Risk factor outcome: Serology
Risk factor significance: Significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Country: Guinea
Location: Kindia, Faranah, Kissidougou, Macenta,  N’zérékoré
Study period:  Mar 03 1996 to  Dec 12 1999
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - IgM
CFR/IFR numerator: 6
CFR/IFR denominator: 552
Epidemic phase: Unspecified
Population group: Healthcare workers
Sample type: Hospital based
Sex: Unspecified
Sample size: 552
Country: Nigeria
Location: Jos, Lafia, Maiduguri
Study period:  Dec 12 1992 to  Mar 03 1993
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - Unspecified
Parameter value: 16.1
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 10
CFR/IFR denominator: 62
Epidemic phase: Unspecified
Population group: Unspecified
Sample type: Community based
Sex: Unspecified
Sample size: 62
Country: Nigeria
Location: Lafia
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Unspecified
Risk factor: Occupation
Risk factor outcome: Serology
Risk factor occupation: Other
Risk factor significance: Significant
Risk factor adjustment: Not adjusted
Population group: Healthcare workers
Sample type: Hospital based
Sex: Unspecified
Country: Nigeria
Location: Jos, Lafia, Maiduguri
Study period:  Dec 12 1992 to  Mar 03 1993
Pathogen: Lassa mammarenavirus
Parameter class: Seroprevalence
Parameter type: Seroprevalence - IgG
Parameter value: 12.3
Unit: Percentage (%)
Value type: Unspecified
Lower bound: 1.2
Upper bound: 27.3
Bounds: 1.2 - 27.3
CFR/IFR numerator: 63
CFR/IFR denominator: 552
Epidemic phase: Unspecified
Disaggregated by: Occupation, Region
Population group: Healthcare workers
Sample type: Hospital based
Sex: Unspecified
Sample size: 552
Country: Nigeria
Location: Jos, Lafia, Maiduguri
Study period:  Dec 12 1992 to  Mar 03 1993
Pathogen: Lassa mammarenavirus
Parameter class: Severity
Parameter type: Severity - case fatality rate (CFR)
Parameter value: 31
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 61
CFR/IFR denominator: 198
CFR/IFR method: Naive
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 198
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Severity
Parameter type: Severity - case fatality rate (CFR)
Parameter value: 36
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 61
CFR/IFR denominator: 170
CFR/IFR method: Adjusted
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 170
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Age
Risk factor outcome: Death
Risk factor significance: Significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Occupation;Sex
Risk factor outcome: Death
Risk factor occupation: Education;Healthcare;Livestock and animal herders;Other;Public Transport
Risk factor significance: Not significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Age
Risk factor outcome: Infection
Risk factor significance: Significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Risk factors
Parameter type: Risk factors
Epidemic phase: Endemic
Risk factor: Occupation;Other;Sex
Risk factor outcome: Infection
Risk factor occupation: Education;Healthcare;Livestock and animal herders;Other;Public Transport
Risk factor significance: Not significant
Risk factor adjustment: Not adjusted
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - symptom onset>admission to care
Parameter value: 6.5
Unit: Days
Value type: Median
Uncertainty type: IQR
Uncertainty lower value: 4
Uncertainty upper value: 10
Combined uncertainty: 4 - 10 (IQR)
Epidemic phase: Endemic
Disaggregated by: Other
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 174
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - admission to care>discharge/recovery
Parameter value: 10
Unit: Days
Value type: Median
Uncertainty type: IQR
Uncertainty lower value: 8
Uncertainty upper value: 13
Combined uncertainty: 8 - 13 (IQR)
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 101
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - admission to care>death
Parameter value: 2
Unit: Days
Value type: Median
Uncertainty type: IQR
Uncertainty lower value: 1
Uncertainty upper value: 4
Combined uncertainty: 1 - 4 (IQR)
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 57
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - symptom onset>discharge/recovery
Parameter value: 16
Unit: Days
Value type: Median
Uncertainty type: IQR
Uncertainty lower value: 13
Uncertainty upper value: 23
Combined uncertainty: 13 - 23 (IQR)
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 98
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Human delay
Parameter type: Human delay - symptom onset>death
Parameter value: 10
Unit: Days
Value type: Median
Uncertainty type: IQR
Uncertainty lower value: 7
Uncertainty upper value: 14
Combined uncertainty: 7 - 14 (IQR)
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Both
Sample size: 52
Country: Nigeria
Location: Edo State
Study period:  Jan 01 2009 to  Dec 12 2010
Pathogen: Lassa mammarenavirus
Parameter class: Severity
Parameter type: Severity - case fatality rate (CFR)
Parameter value: 60
Unit: Percentage (%)
Value type: Unspecified
CFR/IFR numerator: 24
CFR/IFR denominator: 40
CFR/IFR method: Unspecified
Epidemic phase: Endemic
Population group: Persons under investigation
Sample type: Hospital based
Sex: Unspecified
Sample size: 40
Country: Nigeria
Location: Irrua
Study period:   2008 to   2013