Submit Immunization Forms to the Harvard University Health Services (HUHS) Patient Portal as soon as possible after claiming your key and receiving your HUID.

Verification of submitted documents can take up to 15 business days. *Note that you cannot register for classes until your vaccinations have been reviewed and you are cleared.* Upload your vaccination docs as soon as possible. Plan ahead!

https://huhs.harvard.edu/immunizations#gsc.tab=0