Describes the event of a patient being administered a vaccination or a record of a vaccination as reported by a patient, a clinician or another party and may include vaccine reaction information and what vaccination protocol was followed. Describes the event of a patient being administered a vaccination or a record of a vaccination as reported by a patient, a clinician or another party and may include vaccine reaction information and what vaccination protocol was followed.

A unique identifier assigned to this immunization record. A unique identifier assigned to this immunization record.

Indicates the current status of the vaccination event. Indicates the current status of the vaccination event.

Will generally be set to show that the immunization has been completed. Will generally be set to show that the immunization has been completed.

Date vaccine administered or was to be administered. Date vaccine administered or was to be administered.

When immunizations are given a specific date and time should always be known. When immunizations are patient reported, a specific date might not be known.  Although partial dates are allowed, an adult patient might not be able to recall the year a childhood immunization was given. When immunizations are given a specific date and time should always be known. When immunizations are patient reported, a specific date might not be known.  Although partial dates are allowed, an adult patient might not be able to recall the year a childhood immunization was given.

Vaccine that was administered or was to be administered. Vaccine that was administered or was to be administered.

The patient who either received or did not receive the immunization. The patient who either received or did not receive the immunization.

Indicates if the vaccination was or was not given. Indicates if the vaccination was or was not given.

True if this administration was reported rather than directly administered. True if this administration was reported rather than directly administered.

May need source of reported info (e.g. parent), but leave out for now. May need source of reported info (e.g. parent), but leave out for now.

Clinician who administered the vaccine. Clinician who administered the vaccine.

Clinician who ordered the vaccination. Clinician who ordered the vaccination.

Other participants - delegate to Provenance resource. Other participants - delegate to Provenance resource.

The visit or admission or other contact between patient and health care provider the immunization was performed as part of. The visit or admission or other contact between patient and health care provider the immunization was performed as part of.

Name of vaccine manufacturer. Name of vaccine manufacturer.

The service delivery location where the vaccine administration occurred. The service delivery location where the vaccine administration occurred.

Lot number of the vaccine product. Lot number of the vaccine product.

Date vaccine batch expires. Date vaccine batch expires.

Body site where vaccine was administered. Body site where vaccine was administered.

The path by which the vaccine product is taken into the body. The path by which the vaccine product is taken into the body.

The quantity of vaccine product that was administered. The quantity of vaccine product that was administered.

Extra information about the immunization that is not conveyed by the other attributes. Extra information about the immunization that is not conveyed by the other attributes.

Reasons why a vaccine was or was not administered. Reasons why a vaccine was or was not administered.

Reasons why a vaccine was administered. Reasons why a vaccine was administered.

Reason why a vaccine was not administered. Reason why a vaccine was not administered.

Categorical data indicating that an adverse event is associated in time to an immunization. Categorical data indicating that an adverse event is associated in time to an immunization.

A reaction may be an indication of an allergy or intolerance and, if this is determined to be the case, it should be recorded as a new A reaction may be an indication of an allergy or intolerance and, if this is determined to be the case, it should be recorded as a new AllergyIntolerance resource instance as most systems will not query against past Immunization.reaction elements. resource instance as most systems will not query against past Immunization.reaction elements.

Date of reaction to the immunization. Date of reaction to the immunization.

Details of the reaction. Details of the reaction.

Self-reported indicator. Self-reported indicator.

Contains information about the protocol(s) under which the vaccine was administered. Contains information about the protocol(s) under which the vaccine was administered.

Nominal position in a series. Nominal position in a series.

Contains the description about the protocol under which the vaccine was administered. Contains the description about the protocol under which the vaccine was administered.

Indicates the authority who published the protocol. E.g. ACIP. Indicates the authority who published the protocol. E.g. ACIP.

One possible path to achieve presumed immunity against a disease - within the context of an authority. One possible path to achieve presumed immunity against a disease - within the context of an authority.

The recommended number of doses to achieve immunity. The recommended number of doses to achieve immunity.

The targeted disease. The targeted disease.

Indicates if the immunization event should "count" against the protocol. Indicates if the immunization event should "count" against the protocol.

May need to differentiate between status declarations by a provider vs. a CDS engine. May need to differentiate between status declarations by a provider vs. a CDS engine.

Provides an explanation as to why an immunization event should or should not count against the protocol. Provides an explanation as to why an immunization event should or should not count against the protocol.