raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:454836

Avian influenza

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
All ages
Status
active

A rare, infectious disease characterized by variable severity and outcome, ranging from mild upper respiratory tract infection with fever and cough, to influenza-like illness with rapid progression to severe pneumonia, sepsis with shock, acute respiratory distress syndrome and even death. Additional manifestations may include conjunctivitis, nausea, abdominal pain, diarrhea, vomiting, multiple organ dysfunction, and encephalopathy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAvian influenza
frGrippe aviaire
deVogelgrippeAviäre Influenza
esGripe aviarGripe aviaria
itInfluenza aviariaInfluenza da H5N1
nlVogelgriepAviaire influenza
ptGripe aviária
plPtasia grypaGrypa H5N1
csPtačí chřipka
ukПташиний грип
zh禽流感
trKuş gribi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10J09NTBTattributedvalidated
ICD-111E31NTBTindexvalidated
MONDO0018695Evalidated
MeSHD005585Evalidated
UMLSC0016627Evalidated
MedDRA10064097Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

3 records
TypeClassValueAreaQualificationValidationSource
Cases/families826 casesWorldwideCase(s)ValidatedWorld Health Organization 2015[OTHER]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET
Point prevalence<1 / 1 000 000—EuropeClass onlyValidatedORPHANET_World Health Organization 2015[OTHER]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

41 annotations · validated 2020-03-31
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0012735Cough
HP:0012378Fatigue
HP:0001945Fever
HP:0003326Myalgia
HP:0025439Pharyngitis
Frequent (79-30%)
HP:0011227Elevated circulating C-reactive protein concentration
HP:0025179Ground-glass opacification on pulmonary HRCT
HP:0002315Headache
HP:0012418Hypoxemia
HP:0001882Leukopenia
HP:0001888Lymphopenia
HP:0031246Nonproductive cough
HP:0002113Pulmonary infiltrates
HP:0001873Thrombocytopenia
Occasional (29-5%)
HP:0002027Abdominal pain
HP:0100749Chest pain
HP:0000509Conjunctivitis
HP:0002014Diarrhea
HP:0002094Dyspnea
HP:0025435Increased circulating lactate dehydrogenase concentration
HP:0002202Pleural effusion
HP:0002090Pneumonia
HP:0031245Productive cough
HP:0002878Respiratory failure
HP:0005268Spontaneous abortion
HP:0002013Vomiting
Very rare (<4-1%)
HP:0001919Acute kidney injury
HP:0001635Congestive heart failure
HP:0005521Disseminated intravascular coagulation
HP:0003236Elevated circulating creatine kinase concentration
HP:0002910Elevated circulating hepatic transaminase concentration
HP:0012115Hepatitis
HP:0003073Hypoalbuminemia
HP:0002383Infectious encephalitis
HP:0001287Meningitis
HP:0012486Myelitis
HP:0002107Pneumothorax
HP:0002098Respiratory distress
HP:0003201Rhabdomyolysis
HP:0100806Sepsis
HP:0002789Tachypnea

Run the differential on the 5 obligate / very frequent terms

Annotation source: 28159162[PMID]_31668198[PMID]

7

Sources for this card