2009 H1N1 influenza pandemic
E14008
The 2009 H1N1 influenza pandemic was a global outbreak of a novel swine-origin influenza A virus that spread rapidly worldwide, prompting extensive public health responses and international coordination.
Aliases (5)
Statements (66)
| Predicate | Object |
|---|---|
| instanceOf |
influenza pandemic
→
pandemic → public health emergency → |
| agePattern |
higher mortality in younger adults compared to seasonal flu
→
|
| alsoKnownAs |
2009 swine flu pandemic
→
H1N1pdm09 pandemic → |
| antiviralTreatment |
oseltamivir
→
zanamivir → |
| causativeAgent |
influenza A virus subtype H1N1
→
novel swine-origin influenza A H1N1 virus → |
| comparedTo |
1918 influenza pandemic
→
|
| complication |
acute respiratory distress syndrome
→
secondary bacterial pneumonia → viral pneumonia → |
| coordinatedBy |
World Health Organization
→
national public health agencies → |
| declaredBy |
World Health Organization
→
|
| declaredPandemicOn |
2009-06-11
→
|
| declaredPostPandemicPhaseBy |
World Health Organization
→
|
| declaredPostPandemicPhaseOn |
2010-08-10
→
|
| endTime |
2010
→
2010-08-10 → |
| epicenterRegion |
North America
→
|
| excessMortalityEstimate |
hundreds of thousands of deaths worldwide
→
|
| firstDetectedIn |
Mexico
→
United States → |
| geneticReassortmentOf |
avian influenza viruses
→
human influenza viruses → swine influenza viruses → |
| globalCasesEstimate |
hundreds of thousands of laboratory-confirmed cases
→
|
| globalDeathsEstimate |
tens of thousands of laboratory-confirmed deaths
→
|
| host |
humans
→
|
| longTermOutcome |
H1N1pdm09 virus became a seasonal influenza strain
→
|
| originSpecies |
pigs
→
|
| policyImpact |
revisions of national pandemic preparedness plans
→
strengthening of global influenza surveillance networks → |
| publicHealthResponse |
antiviral distribution
→
enhanced surveillance → mass vaccination campaigns → school closures → travel advisories → |
| riskGroup |
healthcare workers
→
people with chronic illnesses → pregnant women → young children → |
| severityComparedToSeasonalFlu |
generally similar or slightly higher in many populations
→
|
| spreadTo |
Africa
→
Asia → Europe → North America → Oceania → South America → |
| startTime |
2009
→
2009-03 → |
| symptom |
cough
→
fatigue → fever → myalgia → sore throat → |
| transmissionRoute |
aerosol transmission
→
fomite transmission → respiratory droplets → |
| vaccineDeveloped |
monovalent H1N1 influenza vaccine
→
|
| vaccineIntroducedIn |
2009
→
|
| virusSubtype |
H1N1
→
|
| virusType |
influenza A virus
→
|
Referenced by (10)
| Subject (surface form when different) | Predicate |
|---|---|
|
2009 H1N1 influenza pandemic
("2009 swine flu pandemic")
→
2009 H1N1 influenza pandemic ("H1N1pdm09 pandemic") → |
alsoKnownAs |
|
2009 H1N1 influenza pandemic
("influenza A virus subtype H1N1")
→
|
causativeAgent |
|
Public Health Emergency of International Concern
→
|
firstDeclaredFor |
|
Public Health Emergency of International Concern
→
|
hasBeenDeclaredFor |
|
1918 influenza pandemic
("H1N1 influenza A virus")
→
|
hasCause |
|
1918 influenza pandemic
("influenza A virus subtype H1N1")
→
|
hasPathogen |
|
International Health Regulations (2005)
→
|
usedDuring |
|
International Health Regulations
→
|
usedInResponseTo |
|
2009 H1N1 influenza pandemic
("H1N1")
→
|
virusSubtype |