Add ease of use when adding completed immunizations for multiple students

The customer is requesting enhanced functionality for entering immunizations. Their suggestion is a copy and paste function.
They have many students where they are entering the same immunization for the same day or the same day for multiple immunizations.
Below is their exact request.
"It would be nice if there was a copy/paste feature in there since children are usually getting immunizations on the same day and/or if the arrow keys worked in the module."