Vietnam: Instructions for updating information on COVID-19 vaccination certificates online

Recently, many people have been vaccinated with 2 doses of COVID-19 vaccine, but on the injection certificate lookup system, there is still no information about this person having received the 2nd dose or losing information about being vaccinated strains. The following article will guide people to update their COVID-19 vaccination certificate information online.

First, you need to look up your vaccination certificate to check if the system has fully updated your vaccination information by:

- ​​Access the Covid-19 Immunization Portal at:

- Fill in the information to look up the injection certificate:

+ Full name, Date of birth, Gender, Phone number (Required information to enter).

+ ID/CCCD/Passport number; Health insurance card number (Not required to enter).

- After filling in the information, select Lookup.

- Enter the verification code by text message to the phone number you registered, then select Confirm.

After doing the search, if you do not have a vaccination certificate or the information is wrong. Please select the function 'Reflection information' on the right of the screen or update the injection information at: and follow the steps:

Step 1: Fill in all personal information including:

+ Full name, date of birth, gender

+ Phone number

+ ID card/CCCD

+ Current address

+ Province/city, district/district, commune/ward.

(Note: Information fields marked with an asterisk (*) are required information).


Step 2: Select the type of information you want to reflect

In this section, you can choose to update any vaccination information that you have not yet updated on the system. Specifically:

Step 3: Fill in the information of the injection that has not been updated

In this section, you are required to fill in all the information about the injection that has not been updated including:

+ Type of vaccine

+ Date of injection

+ Place of injection

 (Note: If you haven't updated dose 1 or 2, just enter the dose information that has not been updated.)


Step 4: Attach an image or file to prove the information about the injection has not been updated.

In this step, you can drag and drop or upload an image/file of the certificate of vaccination for those shots that have not been updated.


+ Attach up to 2 files

+ Only .png, .jpg, .jpeg, .pdf files and the size is not more than 10MB.

Step 5: Enter the confirmation code and select “Send Feedback”

Step 6: Enter the OTP code received from the registered phone number and select “Confirm” to finish the reflection.

Finally, you have completed submitting your request to update your COVID-19 vaccination certificate information on the National Immunization Portal of Vietnam.

Bao Ngoc


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