core + health-lifesci (Health and Lifesciences Extension): terms relating to healthcare, medicine and the life sciences.


Defined in the extension.
Canonical URL:

Thing > MedicalEntity > MedicalCondition > InfectiousDisease

An infectious disease is a clinically evident human disease resulting from the presence of pathogenic microbial agents, like pathogenic viruses, pathogenic bacteria, fungi, protozoa, multicellular parasites, and prions. To be considered an infectious disease, such pathogens are known to be able to cause this disease.

Usage: Between 10 and 100 domains
PropertyExpected TypeDescription
Properties from InfectiousDisease
infectiousAgent Text The actual infectious agent, such as a specific bacterium.
infectiousAgentClass InfectiousAgentClass The class of infectious agent (bacteria, prion, etc.) that causes the disease.
transmissionMethod Text How the disease spreads, either as a route or vector, for example 'direct contact', 'Aedes aegypti', etc.
Properties from MedicalCondition
associatedAnatomy AnatomicalStructure  or
AnatomicalSystem  or
The anatomy of the underlying organ system or structures associated with this entity.
cause MedicalCause Specifying a cause of something in general. e.g in medicine , one of the causative agent(s) that are most directly responsible for the pathophysiologic process that eventually results in the occurrence.
differentialDiagnosis DDxElement One of a set of differential diagnoses for the condition. Specifically, a closely-related or competing diagnosis typically considered later in the cognitive process whereby this medical condition is distinguished from others most likely responsible for a similar collection of signs and symptoms to reach the most parsimonious diagnosis or diagnoses in a patient.
drug Drug Specifying a drug or medicine used in a medication procedure
epidemiology Text The characteristics of associated patients, such as age, gender, race etc.
expectedPrognosis Text The likely outcome in either the short term or long term of the medical condition.
naturalProgression Text The expected progression of the condition if it is not treated and allowed to progress naturally.
pathophysiology Text Changes in the normal mechanical, physical, and biochemical functions that are associated with this activity or condition.
possibleComplication Text A possible unexpected and unfavorable evolution of a medical condition. Complications may include worsening of the signs or symptoms of the disease, extension of the condition to other organ systems, etc.
possibleTreatment MedicalTherapy A possible treatment to address this condition, sign or symptom.
primaryPrevention MedicalTherapy A preventative therapy used to prevent an initial occurrence of the medical condition, such as vaccination.
riskFactor MedicalRiskFactor A modifiable or non-modifiable factor that increases the risk of a patient contracting this condition, e.g. age, coexisting condition.
secondaryPrevention MedicalTherapy A preventative therapy used to prevent reoccurrence of the medical condition after an initial episode of the condition.
signOrSymptom MedicalSignOrSymptom A sign or symptom of this condition. Signs are objective or physically observable manifestations of the medical condition while symptoms are the subjective experience of the medical condition.
stage MedicalConditionStage The stage of the condition, if applicable.
status EventStatusType  or
MedicalStudyStatus  or
The status of the study (enumerated).
subtype Text A more specific type of the condition, where applicable, for example 'Type 1 Diabetes', 'Type 2 Diabetes', or 'Gestational Diabetes' for Diabetes.
typicalTest MedicalTest A medical test typically performed given this condition.
Properties from MedicalEntity
code MedicalCode A medical code for the entity, taken from a controlled vocabulary or ontology such as ICD-9, DiseasesDB, MeSH, SNOMED-CT, RxNorm, etc.
guideline MedicalGuideline A medical guideline related to this entity.
legalStatus DrugLegalStatus  or
MedicalEnumeration  or
The drug or supplement's legal status, including any controlled substance schedules that apply.
medicineSystem MedicineSystem The system of medicine that includes this MedicalEntity, for example 'evidence-based', 'homeopathic', 'chiropractic', etc.
recognizingAuthority Organization If applicable, the organization that officially recognizes this entity as part of its endorsed system of medicine.
relevantSpecialty MedicalSpecialty If applicable, a medical specialty in which this entity is relevant.
study MedicalStudy A medical study or trial related to this entity.
Properties from Thing
additionalType URL An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. In RDFa syntax, it is better to use the native RDFa syntax - the 'typeof' attribute - for multiple types. tools may have only weaker understanding of extra types, in particular those defined externally.
alternateName Text An alias for the item.
description Text A description of the item.
disambiguatingDescription Text A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation.
identifier PropertyValue  or
Text  or
The identifier property represents any kind of identifier for any kind of Thing, such as ISBNs, GTIN codes, UUIDs etc. provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See background notes for more details.
image ImageObject  or
An image of the item. This can be a URL or a fully described ImageObject.
mainEntityOfPage CreativeWork  or
Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See background notes for details.
Inverse property: mainEntity.
name Text The name of the item.
potentialAction Action Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role.
sameAs URL URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website.
subjectOf CreativeWork  or
A CreativeWork or Event about this Thing..
Inverse property: about.
url URL URL of the item.

Available properties in extensions

Schema Version 3.3