What Information Goes Into a QR Code?

A vaccination certificate is a proof that a person has received the shot to protect them from an infectious disease such as COVID-19 or the flu. We have given below the type of information (mandatory and optional) that should be there in a QR code-based COVID-19 vaccination certificate, as specified by the World Health Organisation (WHO).

Requirement status for proof of vaccination	DDCC label	DIVOC label	Description and definition	Data type/format	Examples
Mandatory	Name	recipientName	The full name of the vaccinated person.	String	John Tom Brown
Mandatory	Date of birth	recipientDOB	The vaccinated person's date of birth (DOB) if known. If unknown, use the assigned DOB for administrative purposes.	Date	1998-01-05
Mandatory	Unique identifier (primary identifier of the beneficiary)	preEnrollmentCode	Unique identifier for the vaccinated person, according to the policies applicable in each country. There can be more than one unique identifier used to link records (example: national ID, health ID, immunisation information system ID, and medical record ID). All the certificate IDs will be linked to the beneficiary's preEnrollmentCode.	UUID
Optional		recipientIdentity	To be used only if there is a need to share/print an additional national ID. By default, it is set as 'null' in DIVOC's case. The above field covers this as well.	Alpha number	Driving license
Optional	Sex	recipientGender	Documentation of a specific instance of sex information for the vaccinated person.	Male/female/other
Optional		recipientMobileNumber		Numeric	18767778888
Mandatory	Vaccine type or prophylaxis	Need to incorporate in the payload.	Generic description of the vaccine or vaccine sub-type, such as COVID-19 mRNA vaccine, HPV vaccine.	Coding - ICD 11
Mandatory	Vaccine brand	vaccinationName	The brand or trade name used to refer to the vaccine received.	String	Pfizer
Optional	Vaccine manufacturer	vaccinationManufacturer	Name of the manufacturer of the vaccine received, such as Serum institute of India, or AstraZeneca. If the vaccine manufacturer is unknown, a market authorisation holder is needed.	String	ABC company
Optional	Vaccine market authorisation holder		Name of the market authorisation holder of the vaccine received. If the market authorisation holder is unknown, a vaccine manufacturer is required. This is needed only if the manufacturer is not listed in the WHO EUL (Emergency Use Listing Procedure) list.	String
Mandatory	Vaccine batch number	vaccinationBatch	Batch number or lot number of the vaccine.	String	4121Z104
Mandatory	Date of vaccination	vaccinationDate	Date on which the vaccine was administered.	Date	2021-11-30
Mandatory	Dose number	vaccinationDose	Vaccine dose number.	Quantity	1, 2
Mandatory	Total doses	vaccinationTotalDoses	Total expected doses as defined by a member state's care plan and immunisation programme policies.	Quantity	For Pfizer and BioNTech, the total expected doses are two.
Mandatory	Country of vaccination	facilityCountry	The country where a person was vaccinated.	Code	JAM = Jamaica
Optional	Administering centre	facilityName	The name or identifier of the vaccination facility responsible for administering the vaccination.	String	Falmouth Health Centre
Optional	Health worker identifier	vaccinatorName/ID	If the country does not have a national identifier, you can share the name of the vaccinator.	ID	National ID of the vaccinator
Optional	Disease or agent targeted	Available as a certificate header and not as a data element in the current certificate API payload.	Name of the disease vaccinated against (such as COVID-19). We recommend that you can have it as a data element within the payload.	Coding	Certificate header: COVID-19 Vaccination Certificate.
Optional	Due date of the next dose		Only implemented for India.	Date - YYYYMM/DD
Mandatory	Certificate issuer	Issuer (available in the output)	The authority or authorised organisation that issued the vaccination certificate.	String	Ministry of Health & Wellness, Jamaica
Mandatory	Health certificate identifier	Certificate ID (available in the output)	Unique identifier used to associate the vaccination status represented in a paper vaccination card.	ID	378855845
Optional	Certificate valid from	vaccinationEffectiveStart	Date on which the certificate became valid. No health or clinical inferences should be made from this date.	Date	2021-11-30
Optional	Certificate valid to	vaccinationEffectiveEnd	Last date on which the certificate is valid. No health or clinical inferences should be made from this date.	Date	2022-11-30
Optional	Certificate schema version		Only if schema versions are maintained.

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